“Concomitant Administration of Theophylline and Oxamniquine in Rats: Effect on Theophylline Clearance”. The East and Central African Journal of Pharmaceutical Sciences 1, no. 1 (July 29, 2020): 22–23. Accessed April 14, 2026. http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/524.