Mtonga, Timothy, and Gerald Paul Douglas. “Standardizing Representation of Medication in LMICs: Case of Malawi and RxNORM”. Journal of Health Informatics in Africa 6, no. 2 (November 3, 2019): 51 - 56. Accessed April 9, 2020. https://jhia-online.org/index.php/jhia/article/view/230.