Gamil Q. Othman, Abdulsalam M. Halboup, and Mohammed M. Battah. “Ethical Evaluation of Pharmaceutical Marketing in Sana’a City, Yemen”. Yemeni Journal for Medical Sciences 14, no. 1 (February 4, 2021): 13–21. Accessed November 24, 2024. https://journals.ust.edu/index.php/yjms/article/view/1721.