N. . . Wahida Zulkifli, “A Survey on Knowledge of Registered Drugs amongst Patients from the Specialist Clinic, Malaysia”, Al-Nahrain J. Sci., vol. 22, no. 3, pp. 26–34, Sep. 2019, Accessed: May 22, 2026. [Online]. Available: https://mail.anjs.edu.iq/index.php/anjs/article/view/2162