Equitable Access to Chronic Therapies in Hospital Pharmacy Settings: A Conceptual Framework for Continuity of Care

't Hoen, E. F. M., Berger, J., Calmy, A., & Moon, S. (2011). Driving a decade of change: HIV/AIDS, patents and access to medicines for all. Journal of the International AIDS Society, 14, 15. Agrawal, P., Barton, I., Dal Bianco, R., Hovig, D., Sarley, D., & Yadav, P. (2016). Moving medicine, moving minds: Helping developing countries overcome barriers to outsourcing health commodity distribution to boost supply chain performance and strengthen health systems. Global Health: Science and Practice, 4(3), 359-365. Aifuwa, S. E., Oshoba, T. O., Ogbuefi, E., Ike, P. N., Nnabueze, S. B., & Olatunde-Thorpe, J. (2020). Predictive analytics models enhancing supply chain demand forecasting accuracy and reducing inventory management inefficiencies. International Journal of Multidisciplinary Research and Growth Evaluation, 1(3), 171-181. Akanbi, O., & Sunday, E. A. (2024). An integrated path-planning and slotting optimization model for AMR-enabled high-density warehousing. International Journal of Advanced Multidisciplinary Research and Studies, 4(6), 3226-3243. Akin-Oluyomi, O. T., Atima, M. E., & Akinleye, O. K. (2023). Regulatory compliance and supplier risk assessment frameworks in international pharmaceutical procurement. International Journal of Advanced Multidisciplinary Research and Studies, 3(6), 2194- 2204. Akin-Oluyomi, O. T., Atima, M. E., & Akinleye, O. K. (2024). Cross-border supplier relationship management frameworks for pharmaceutical and global construction sectors. International Journal of Multidisciplinary Research and Growth Evaluation, 5(6), 1709-1718. Akinleye, O. K. (2024). A sustainable procurement and resilience framework for post-pandemic pharmaceutical operations. International Journal of Advanced Multidisciplinary Research and Studies, 4(1), 1602-1621. Akinlolu, V. S., Fapohunda, M., Omaghomi, T. T., Atima, M. E., & Igweonu, C. (2023). A proposed care-coordination framework for reducing readmissions among chronic disease patients. Multidisciplinary Global Environment Journal, 4(5), 1187-1195. Akokodaripon, D. A., Akinleye, O. K., Okoruwa, P. O., & Babatope, O. M. (2023). Procurement cost optimization strategies: Comparative analyses across UK, Nigeria, and emerging economies. International Journal of Advanced Multidisciplinary Research and Studies, 3(6), 2224-2234. Aminu-Ibrahim, A. Y., Ogbete, J. C., & Ambali, K. B. (2020). Infrastructure driven expansion of diagnostic access across underserved and rural healthcare regions. International Journal of Multidisciplinary Research and Growth Evaluation, 1(5), 691-706. Arney, L., Yadav, P., Miller, R., & Wilkerson, T. (2014). Strategic contracting practices to improve procurement of health commodities. Global Health: Science and Practice, 2(3), 295-306. Babar, Z. U. D. (2024). A conceptual framework to build effective medicine pricing policies for low and middle-income countries. Research in Social and Administrative Pharmacy, 20(9), 934-939. Babar, Z. U. D., Lessing, C., Mace, C., & Bissell, K. (2013). The availability, pricing and affordability of three essential asthma medicines in 52 low- and middle-income countries. PharmacoEconomics, 31(11), 1063-1082. IJMEPR IJMEPR Beargie, S. M., Higgins, C. R., Evans, D. R., Laing, S. K., Erim, D., & Ozawa, S. (2019). The economic impact of substandard and falsified antimalarial medications in Nigeria. PLOS ONE, 14(8), e0217910. Berendes, S., Heywood, P., Oliver, S., & Garner, P. (2011). Quality of private and public ambulatory health care in low and middle income countries: A systematic review of comparative studies. PLoS Medicine, 8(4), e1000433. Bigdeli, M., Jacobs, B., Tomson, G., Laing, R., Ghaffar, A., Dujardin, B., & Van Damme, W. (2013). Access to medicines from a health system perspective. Health Policy and Planning, 28(7), 692-704. Brieger, W. R., Osamor, P. E., Salami, K. K., Oladepo, O., & Otusanya, S. A. (2004). Interactions between patent medicine vendors and customers in urban and rural Nigeria. Health Policy and Planning, 19(3), 177-182. Brown, S. T., Schreiber, B., Cakouros, B. E., Wateska, A. R., Dicko, H. M., Connor, D. L., et al. (2014). The benefits of redesigning Benin's vaccine supply chain. Vaccine, 32(32), 4097- 4103. Buckland-Merrett, G. (2020). Access to sexual and reproductive health commodities in East and Southern Africa: A cross-country comparison of availability, affordability and stock-outs in Kenya, Tanzania, Uganda and Zambia. BMC Public Health, 20(1), 1053. Bulula, N. (2020). Vaccine storage and distribution between expanded program on immunization and medical store department in Tanzania: A cost-minimization analysis. Vaccine. Cameron, A., Ewen, M., Ross-Degnan, D., Ball, D., & Laing, R. (2009). Medicine prices, availability, and affordability in 36 developing and middle-income countries: a secondary analysis. The Lancet, 373(9659), 240-249. Coyne, P. E. (2019). The World Health Organization Prequalification Programme: Playing an essential role in assuring quality medical products. International Health, 11(2), 79-80. Daff, B. M., Seck, C., Belkhayat, H., & Sutton, P. (2014). Informed push distribution of contraceptives in Senegal reduces stockouts and improves quality of family planning services. Global Health: Science and Practice, 2(2), 245-252. Dimitrova, A., Carrasco-Escobar, G., Richardson, R., Benmarhnia, T., Odeny, B., & Dodd, P. (2023). Essential childhood immunization in 43 low- and middle-income countries: Analysis of spatial trends and socioeconomic inequalities in vaccine coverage. PLoS Medicine, 20(1), e1004166. Dubois, P., Lefouili, Y., & Straub, S. (2021). Pooled procurement of drugs in low and middle income countries. European Economic Review, 132, 103655. Embrey, M., Vialle-Valentin, C., Dillip, A., Kihiyo, B., Mbwasi, R., Semali, I. A., et al. (2016). Understanding the role of accredited drug dispensing outlets in Tanzania's health system. PLoS ONE, 11(11), e0164332. Fatokun, O. (2020). Fostering local production of essential medicines in Nigeria. Bulletin of the World Health Organization, 98(6), 428. Filani, O. M., Nnabueze, S. B., Ike, P. N., & Wedraogo, L. (2022). Real-time risk assessment dashboards using machine learning in hospital supply chain management systems. International Journal of Multidisciplinary Evolutionary Research, 3(1), 65-76. Folz, R. (2018). Assessment of family planning service availability and readiness in 10 African countries. Global Health: Science and Practice, 6(3), 473-483. Frank, R. G., & Salkever, D. S. (1997). Generic entry and the pricing of pharmaceuticals. Journal of Economics & Management Strategy, 6(1), 75-90. IJMEPR IJMEPR Gilbert, S. S., Bulula, N., Yohana, E., Thompson, J., Beylerian, E., Werner, L., & Shearer, J. C. (2020). The impact of an integrated electronic immunization registry and logistics management information system (EIR-eLMIS) on vaccine availability in three regions in Tanzania: A pre-post and time-series analysis. Vaccine, 38(3), 562-569. Glenton, C., Colvin, C. J., Carlsen, B., Swartz, A., Lewin, S., Noyes, J., & Rashidian, A. (2013). Barriers and facilitators to the implementation of lay health worker programmes to improve access to maternal and child health: Qualitative evidence synthesis. Cochrane Database of Systematic Reviews, (10), CD010414. Goodman, C., Brieger, W., Unwin, A., Mills, A., Meek, S., & Greer, G. (2007). Medicine sellers and malaria treatment in sub-Saharan Africa: What do they do and how can their practice be improved? The American Journal of Tropical Medicine and Hygiene. 2007;77(6 Suppl):203-218. Gore, C., Morin, S., Rottingen, J. A., et al. (2023). Negotiating public-health intellectual property licensing agreements to increase access to health technologies: An insider's story. BMJ Global Health, 8, e012964. Grimsrud, A., Bygrave, H., Doherty, M., Ehrenkranz, P., Ellman, T., Ferris, R., et al. (2016). Reimagining HIV service delivery: the role of differentiated care from prevention to suppression. Journal of the International AIDS Society, 19(1), 21484. Hafner, T., Walkowiak, H., Lee, D., & Aboagye-Nyame, F. (2017). Defining pharmaceutical systems strengthening: Concepts to enable measurement. Health Policy and Planning, 32(4), 572-584. Haidari, L. A., Brown, S. T., Ferguson, M., Bancroft, E., Spiker, M., Wilcox, A., Ambikapathi, R., Sampath, V., Connor, D. L., & Lee, B. Y. (2016). The economic and operational value of using drones to transport vaccines. Vaccine, 34(34), 4062-4067. Haines, A., Sanders, D., Lehmann, U., Rowe, A. K., Lawn, J. E., Jan, S., Walker, D. G., & Bhutta, Z. (2007). Achieving child survival goals: Potential contribution of community health workers. The Lancet, 369(9579), 2121-2131. Hassali, M. A., Alrasheedy, A. A., McLachlan, A., Nguyen, T. A., Al-Tamimi, S. K., Ibrahim, M. I. M., & Aljadhey, H. (2014). The experiences of implementing generic medicine policy in eight countries: A review and recommendations for a successful promotion of generic medicine use. Saudi Pharmaceutical Journal, 22(6), 491-503. Hess, L. M., Raebel, M. A., Conner, D. A., & Malone, D. C. (2006). Measurement of adherence in pharmacy administrative databases: a proposal for standard definitions and preferred measures. Annals of Pharmacotherapy, 40(7-8), 1280-1288. Hogerzeil, H. V. (2004). The concept of essential medicines: Lessons for rich countries. BMJ, 329(7475), 1169-1172. Hogerzeil, H. V., Ross-Degnan, D., Laing, R. O., Ofori-Adjei, D., Santoso, B., Chowdhury, A. K. A., et al. (1993). Field tests for rational drug use in twelve developing countries. The Lancet, 342(8884), 1408-1410. Holloway, K. A., Ivanovska, V., Wagner, A. K., Vialle-Valentin, C., & Ross-Degnan, D. (2013). Have we improved use of medicines in developing and transitional countries and do we know how to? Two decades of evidence. Tropical Medicine & International Health, 18(6), 656-664. IDinsight. (2022). Measuring Zipline's impact on health access, availability, and supply chain in Ghana. IDinsight. IJMEPR IJMEPR Ike, P. N., Aifuwa, S. E., Nnabueze, S. B., Olatunde-Thorpe, J., Ogbuefi, E., Oshoba, T. O., & Akokodaripon, D. (2024). Utilizing nanomaterials in healthcare supply chain management for improved drug delivery systems. International Journal of Advanced Multidisciplinary Research and Studies, 4(4), 1567-1572. Ike, P. N., Ogbuefi, E., Nnabueze, S. B., Olatunde-Thorpe, J., Aifuwa, S. E., Oshoba, T. O., & Akokodaripon, D. (2021). Supplier relationship management strategies fostering innovation, collaboration, and resilience in global supply chain ecosystems. International Journal of Multidisciplinary Evolutionary Research, 2(2), 52-62. Institute of Medicine. (2013). Countering the problem of falsified and substandard drugs. National Academies Press. IQVIA Institute for Human Data Science. (2021). Global medicine spending and usage trends: Outlook to 2025. IQVIA Institute for Human Data Science. Iyengar, S., Hedman, L., Forte, G., & Hill, S. (2016). Medicine shortages: A commentary on causes and mitigation strategies. BMC Medicine, 14, 124. Kim, S. W., & Skordis-Worrall, J. (2017). Can voluntary pooled procurement reduce the price of antiretroviral drugs? A case study of efavirenz. Health Policy and Planning, 32(4), 516- 526. Kok, M. O., Parmaksiz, K., et al. (2022). A systematic review of pooled procurement of medicines and vaccines: Identifying elements of success. Globalization and Health, 18, 59. Kremer, P., Haruna, F., Sarpong, R. T., et al. (2023). An impact assessment of the use of aerial logistics to improve access to vaccines in the Western-North Region of Ghana. Vaccine, 41(36), 5245-5252. Kruk, M. E., Gage, A. D., Arsenault, C., Jordan, K., Leslie, H. H., Roder-DeWan, S., et al. (2018). High-quality health systems in the Sustainable Development Goals era: Time for a revolution. The Lancet Global Health, 6(11), e1196-e1252. Kumar, N., & Jha, A. (2017). Temperature excursion management: A novel approach of quality system in pharmaceutical industry. Saudi Pharmaceutical Journal, 25(2), 176-183. Laing, R., Hogerzeil, H., & Ross-Degnan, D. (2001). Ten recommendations to improve use of medicines in developing countries. Health Policy and Planning, 16(1), 13-20. Laing, R., Waning, B., Gray, A., Ford, N., & 't Hoen, E. (2003). 25 years of the WHO essential medicines lists: Progress and challenges. The Lancet, 361(9370), 1723-1729. Leon, G., Carbonel, C., Rampuria, A., Rajpoot, R. S., Joshi, P., & Kanavos, P. (2024). An assessment of the implications of distribution remuneration and taxation policies on the final prices of prescription medicines: Evidence from 35 countries. The European Journal of Health Economics. Levesque, J. F., Harris, M. F., & Russell, G. (2013). Patient-centred access to health care: conceptualising access at the interface of health systems and populations. International Journal for Equity in Health, 12, 18. Lewin, S., Munabi-Babigumira, S., Glenton, C., Daniels, K., Bosch-Capblanch, X., van Wyk, B. E., et al. (2010). Lay health workers in primary and community health care for maternal and child health and the management of infectious diseases. Cochrane Database of Systematic Reviews, (3), CD004015. Lloyd, J., & Cheyne, J. (2017). The origins of the vaccine cold chain and a glimpse of the future. Vaccine, 35(17), 2115-2120. IJMEPR IJMEPR Lydon, P., Raubenheimer, T., Arnot-Kruger, M., & Zaffran, M. (2015). Outsourcing vaccine logistics to the private sector: The evidence and lessons learned from the Western Cape Province in South-Africa. Vaccine, 33(29), 3429-3434. Mendis, S., Fukino, K., Cameron, A., Laing, R., Filipe, A., Jr., Khatib, O., Leowski, J., & Ewen, M. (2007). The availability and affordability of selected essential medicines for chronic diseases in six low- and middle-income countries. Bulletin of the World Health Organization, 85(4), 279-288. Mubi, M. (2011). Malaria rapid testing by community health workers is effective and safe for targeting malaria treatment: Randomised cross-over trial in Tanzania. PLoS ONE, 6(7), e19753. Mueller, L. E., Haidari, L. A., Wateska, A. R., Phillips, R. J., Schmitz, M. M., Connor, D. L., Norman, B. A., Brown, S. T., Welling, J. S., & Lee, B. Y. (2016). The impact of implementing a demand forecasting system into a low-income country's supply chain. Vaccine, 34(32), 3663-3669. Mujinja, P. G. M., Mackintosh, M., Justin-Temu, M., & Wuyts, M. (2014). Local production of pharmaceuticals in Africa and access to essential medicines: Urban bias in access to imported medicines in Tanzania and its policy implications. Globalization and Health, 10, 12. Murray, C. J. L., Ikuta, K. S., Sharara, F., et al. (2022). Global burden of bacterial antimicrobial resistance in 2019: A systematic analysis. The Lancet, 399(10325), 629-655. Mushi, H. P., Mbwambo, J., & Sillo, H. (2020). Effectiveness of Tanzania's pooled procurement for antimalarial commodities: A quasi-experimental study. Malaria Journal, 19, 408. Nakambale, H. N., Tambama, P., & Bangalee, V. (2024). Regulation of mark-up on medicine prices in Zimbabwe: A pilot survey from 92 community pharmacies in the metropolitan area of Harare. Health Economics Review, 14(1), 92. National Academies of Sciences, Engineering, and Medicine. (2022). Building resilience into the nation's medical product supply chains. Washington, DC: National Academies Press. Niens, L. M., van de Poel, E., Cameron, A., Ewen, M., & Laing, R. O. (2012). Practical measurement of affordability: An application to medicines. Bulletin of the World Health Organization, 90(3), 219-227. Nisingizwe, M. P., Ndishimye, P., Swaibu, K., Nshimiyimana, L., Karame, P., Dushimiyimana, V., et al. (2022). Effect of unmanned aerial vehicle delivery on blood product delivery time and wastage in Rwanda: A retrospective, cross-sectional study and time series analysis. The Lancet Global Health, 10(4), e564-e569. Nnabueze, S. B., Ike, P. N., Olatunde-Thorpe, J., Aifuwa, S. E., Oshoba, T. O., Ogbuefi, E., & Akokodaripon, D. (2021). End-to-end visibility frameworks improving transparency, compliance, and traceability across complex global supply chain operations. International Journal of Multidisciplinary Futuristic Development, 2(2), 50-60. Ofori-Ansah, C., Agyepong, I. A., & Aikins, M. (2019). Medicine prices and availability under Ghana's National Health Insurance Scheme: Comparing centralized and decentralized procurement. Health Policy and Planning, 34(10), 727-735. Okonkwo, C. S., Agbabiaka, J., Ogunwole, O., Mayo, W., & Okeke, O. T. (2020). Model for demurrage elimination and port logistics efficiency in emerging economies. International Journal of Multidisciplinary Research and Growth Evaluation, 1(5), 552-562. Okonkwo, C. S., Ogunwole, O., & Okeke, O. T. (2018). Framework for strategic procurement optimization in oil and gas operations. IRE Journals, 1(7), 153-168. IJMEPR IJMEPR Okwah, M. N. (2022). Integrating triglyceride-glucose index and echocardiographic parameters for improved cardiovascular risk stratification in Sub-Saharan Africa. International Journal of Cardiology , 1(2), 1-16. Olaniran, A., Briggs, J., Pradhan, A., Bogue, E., Schreiber, B., Dini, H. S., Hurkchand, H., & Ballard, M. (2022). Stock-outs of essential medicines among community health workers in low- and middle-income countries: A systematic literature review of the extent, reasons, and consequences. Human Resources for Health, 20, 53. Ospina-Fadul, M. J., Kremer, P., Stevens, S. E., Haruna, F., Okoh-Owusu, M., Sarpong, G. K., et al. (2024). Cost-effectiveness of aerial logistics for immunization: A model-based evaluation of centralized storage and drone delivery of vaccines in Ghana using empirical data. Value in Health Regional Issues, 46, 101066. Ouma, P. O., Maina, J., Thuranira, P. N., Macharia, P. M., Alegana, V. A., English, M., et al. (2018). Access to emergency hospital care provided by the public sector in sub-Saharan Africa in 2015: A geocoded inventory and spatial analysis. The Lancet Global Health, 6(3), e342-e350. Ozawa, S., Evans, D. R., Bessias, S., Haynie, D. G., Yemeke, T. T., Laing, S. K., & Herrington, J. E. (2018). Prevalence and estimated economic burden of substandard and falsified medicines in low- and middle-income countries: A systematic review and meta-analysis. JAMA Network Open, 1(4), e181662. Penchansky, R., & Thomas, J. W. (1981). The concept of access: definition and relationship to consumer satisfaction. Medical Care, 19(2), 127-140. Pisani, E., Nistor, A. L., Hasnida, A., et al. (2019). Identifying market risk for substandard and falsified medicines: An analytic framework based on qualitative research in China, Indonesia, Turkey and Romania. Wellcome Open Research, 4, 70. Privett, N., & Gonsalvez, D. (2014). The top ten global health supply chain issues: Perspectives from the field. Operations Research for Health Care, 3(4), 226-230. Prosser, W., Jaillard, P., Assy, E., Brown, S. T., Matsinhe, G., Dekoun, M., & Lee, B. Y. (2017). System redesign of the immunization supply chain: Experiences from Benin and Mozambique. Vaccine, 35(17), 2162-2166. Reiffen, D., & Ward, M. R. (2005). Generic drug industry dynamics. The Review of Economics and Statistics, 87(1), 37-49. Roberts, M. J., Hsiao, W., Berman, P., & Reich, M. R. (2008). Getting health reform right: A guide to improving performance and equity. Oxford University Press. Rowe, A. K., Rowe, S. Y., Peters, D. H., Holloway, K. A., Chalker, J., & Ross-Degnan, D. (2018). Effectiveness of strategies to improve health-care provider practices in low-income and middle-income countries: A systematic review. The Lancet Global Health, 6(11), e1163- e1175. Rutta, E., Liana, J., Embrey, M., Johnson, K., Kimatta, S., Valimba, R., et al. (2015). Accrediting retail drug shops to strengthen Tanzania's public health system: An ADDO case study. Journal of Pharmaceutical Policy and Practice, 8, 23. Sabate EEd. (2003). Adherence to long-term therapies: Evidence for action. World Health Organization. Seidman, G., & Atun, R. (2017). Do changes to supply chains and procurement processes yield cost savings and improve availability of pharmaceuticals, vaccines or health products? A systematic review of evidence from low-income and middle-income countries. BMJ Global Health, 2(2), e000243. IJMEPR IJMEPR Shabangu, K., & Suleman, F. (2015). Medicines availability at a Swaziland hospital and impact on patients. African Journal of Primary Health Care & Family Medicine, 7(1), 829. Shah, N. M., Brieger, W. R., & Peters, D. H. (2011). Can interventions improve health services from informal private providers in low and middle-income countries? A comprehensive review of the literature. Health Policy and Planning, 26(4), 275-287. Shieshia, M. (2014). Strengthening community health supply chain performance through an integrated approach: Using mHealth technology and multilevel teams in Malawi. Journal of Global Health, 4(2), 020406. Stephan, F., Reinsperger, N., Grunthal, M., Paulicke, D., & Jahn, P. (2022). Human drone interaction in delivery of medical supplies: A scoping review of experimental studies. PLoS ONE, 17(5), e0267664. Sunguya, B. F., Mlunde, L. B., Ayer, R., & Jimba, M. (2017). Towards eliminating malaria in high endemic countries: The roles of community health workers and related cadres and their challenges in integrated community case management for malaria: A systematic review. Malaria Journal, 16, 10. Tougher, S., Ye, Y., Amuasi, J. H., Kourgueni, I. A., Thomson, R., Goodman, C., et al. (2012). Effect of the Affordable Medicines Facility-malaria on the availability, price, and market share of quality-assured artemisinin-based combination therapies in seven countries: A before-and-after analysis of outlet survey data. The Lancet, 380(9857), 1916- 1926. U.S. Food and Drug Administration. (2019). Generic competition and drug prices: New evidence linking greater generic competition and lower generic drug prices. U.S. Food and Drug Administration. USAID DELIVER Project. (2014). Quantification of health commodities: A guide to forecasting and supply planning for procurement. USAID DELIVER Project, Task Order 4. Valimba, R., Liana, J., Joshi, M. P., Rutta, E., Embrey, M., Bundala, M., & Kibassa, B. (2014). Engaging the private sector to improve antimicrobial use in the community: Experience from accredited drug dispensing outlets in Tanzania. Journal of Pharmaceutical Policy and Practice, 7, 11. Vledder, M., Friedman, J., Sjoblom, M., Brown, T., & Yadav, P. (2019). Improving supply chain for essential drugs in low-income countries: Results from a large scale randomized experiment in Zambia. Health Systems & Reform, 5(2), 158-177. Wafula, F. N., & Goodman, C. A. (2010). Are interventions for improving the quality of services provided by specialized drug shops effective in sub-Saharan Africa? A systematic review of the literature. International Journal for Quality in Health Care, 22(4), 316-323. Wafula, F. N., Miriti, E. M., & Goodman, C. A. (2012). Examining characteristics, knowledge and regulatory practices of specialized drug shops in Sub-Saharan Africa: A systematic review of the literature. BMC Health Services Research, 12, 223. Wagstaff, A., & van Doorslaer, E. (2003). Catastrophe and impoverishment in paying for health care: With applications to Vietnam 1993-1998. Health Economics, 12(11), 921-934. Wagstaff, A., Flores, G., Hsu, J., Smitz, M. F., Chepynoga, K., & Buisman, L. R. (2018). Progress on catastrophic health spending in 133 countries: A retrospective observational study. The Lancet Global Health, 6(2), e169-e179. Waning, B., Kaplan, W., King, A. C., Lawrence, D. A., Leufkens, H. G., & Fox, M. P. (2009). Global strategies to reduce the price of antiretroviral medicines: Evidence from transactional databases. Bulletin of the World Health Organization, 87(7), 520-528. IJMEPR IJMEPR Weiss, D. J., Nelson, A., Vargas-Ruiz, C. A., Gligoric, K., Bavadekar, S., Gabrilovich, E., et al. (2020). Global maps of travel time to healthcare facilities. Nature Medicine, 26, 1835- 1838. Wigley, A. S., Tejedor-Garavito, N., Alegana, V., Carioli, A., Ruktanonchai, C. W., Pezzulo, C., et al. (2020). Measuring the availability and geographical accessibility of maternal health services across sub-Saharan Africa. BMC Medicine, 18, 237. Wirtz, V. J., Hogerzeil, H. V., Gray, A. L., Bigdeli, M., de Joncheere, C. P., Ewen, M. A., et al. (2017a). Essential medicines for universal health coverage. The Lancet, 389(10067), 403- 476. Wirtz, V. J., Hogerzeil, H. V., Gray, A. L., et al. (2017b). Essential medicines for universal health coverage. The Lancet, 389(10067), 403-476. World Bank. (2021). Guidebook for setting-up and operating framework agreements. World Bank. World Health Organization, Health Action International. (2008). Measuring medicine prices, availability, affordability and price components (2nd ed.). World Health Organization. World Health Organization. (2015). WHO guideline on country pharmaceutical pricing policies. World Health Organization. World Health Organization. (2017). WHO global surveillance and monitoring system for substandard and falsified medical products: A study on the public health and socioeconomic impact. World Health Organization. World Health Organization. (2023). WHO model list of essential medicines: 23rd list, 2023. World Health Organization. World Health Organization. (2024). Substandard and falsified medical products [Fact sheet]. World Health Organization. Yadav, P. (2015). Health product supply chains in developing countries: Diagnosis of the root causes of underperformance and an agenda for reform. Health Systems & Reform, 1(2), 142-154. Yadav, P., Cohen, J. L., Alphs, S., Arkedis, J., Larson, P. S., Massaga, J., et al. (2012). Trends in availability and prices of subsidized ACT over the first year of the AMFm: Evidence from remote regions of Tanzania. Malaria Journal, 11, 299. Yadav, P., Lydon, P., Oswald, J., Dicko, M., & Zaffran, M. (2014). Integration of vaccine supply chains with other health commodity supply chains: A framework for decision making. Vaccine, 32(50), 6725-6732. Yaroson, E. V., Breen, L., Hou, J., & Sowter, J. (2019). Resilience strategies and the pharmaceutical supply chain: The role of agility in mitigating drug shortages. In Pharmaceutical supply chains: Medicines shortages. Springer. Zaffran, M., Vandelaer, J., Kristensen, D., Melgaard, B., Yadav, P., Antwi-Agyei, K. O., & Lasher, H. (2013). The imperative for stronger vaccine supply and logistics systems. Vaccine. 2013;31(Suppl. 2):B73-B80. Zailani, M. A. H., Sabudin, R. Z. A. R., Rahman, R. A., Saiboon, I. M., Ismail, A., & Mahdy, Z. A. (2020). Drone for medical products transportation in maternal healthcare: A systematic review and framework for future research. Medicine (Baltimore), 99(36), e21967.