Enabling Pharmaceutical Traceability in The Nigerian Supply Chain using GS1 Global Standards: Lean Traceability Including In-Country Serialization of COVID-19 Vaccines. regsci [Internet]. 2023 Nov. 16 [cited 2024 Sep. 7];11(1):1-14. Available from: https://regsci-ojs-tamu.tdl.org/regsci/article/view/252