Ejikeme, Udobi Chinweizu, and Onaolapo, Josiah Ademola. “Comparison Of Microbiological And Chemical Assay Methods Used In The Quality Assessment Of Ampicillin Suspensions Sold In Zaria-Nigeria”. Nigerian Journal of Pharmaceutical and Applied Science Research 5, no. 1 (August 2, 2020): 69–72. Accessed September 18, 2024. http://mail.nijophasr.net/index.php/nijophasr/article/view/115.