„The Pharmaceutical Properties, Microbial Quality, In-vivo Aphrodisiac Effect and Safety of Some Herbal Bitters Sold in Southwest Nigeria“ (2020) African Journal of Biomedical Research, 23(2), str. 155–164. Dostupno na: https://www.ojshostng.com/index.php/ajbr/article/view/6 (Pristupljeno: 21 svibanj 2026).