Al-Ghani, Ahmed, Nabil Albaseer, and Anes Thabet. 2022. “A Study of Effect of Catha Edulis on Bioavailability of Sildenafil by Using Everted Sac Method”. Al-Razi University Journal for Medical Sciences 6 (2). https://doi.org/10.51610/rujms6.2.2022.137.