Z. Abubakar, A. et al. 2020. Phospholipase A2 from Naja nigricollis and Inhibitory Activity of Extracts from Commiphora africana (A. Rich.) Engl. (Burseraceae): doi.org/10.26538/tjnpr/v4i7.6. Tropical Journal of Natural Product Research (TJNPR). 4, 7 (Jul. 2020), 286–291.