Okon, Jimmy Etukudo, and Gideon Umezuruike Egesie. “Gastrin, Histamine Prostaglandin: Indicators for Assessing Efficacy of Cimetidine, Omeprazole and Ranitidine in Gastric Ulcer Treatment”. Janaki Medical College Journal of Medical Science 5, no. 2 (January 16, 2018): 5–12. Accessed June 14, 2024. https://www.nepjol.info/index.php/JMCJMS/article/view/19011.