Table 2.

Inclusion and eligibility criteria for this review

SN	Criteria	Explanation
1	Medicine supply chain challenges	The article should focus on medicine supply chain challenges
2	Medicine selection challenges	The article should focus on medicine selection challenges
3	Medicine Quantification challenges	The article should focus on medicine quantification challenges
4	Medicine procurement challenges	The article should focus on medicine procurement challenges
5	Medicine distribution challenges	The article should focus on medicine distribution challenges
6	Medicine storage challenges	The article should focus on medicine storage challenges
7	Medicine inventory challenges	The article should focus on medicine inventory challenges
4	Nigeria	The article should focus on medicine supply chain challenges, medicine selection, procurement, distribution, storage and inventory management challenges in Nigeria.
5	Study period	The article should cover 2005 and 2020
6	Study type	The article must be an original empirical study, review of original research or a case that focuses on medicine supply chain challenges