Avbunudiogba, J. A. “Modification of the Release Profiles of Theophylline Matrix Tablets by Inclusion of Water Leachable or Water Swellable Excipients”. Nigerian Journal of Pharmaceutical and Applied Science Research 8, no. 2 (August 17, 2020): 107–113. Accessed November 22, 2024. https://nijophasr.net/index.php/nijophasr/article/view/308.