Malik, Tariq, and Amer Ejaz. “Comparison of Methotrexate and Azathioprine in the Treatment of Psoriasis: A Randomized Controlled Trial”. Journal of Pakistan Association of Dermatologists 20, no. 3 (December 21, 2016): 152–157. Accessed February 26, 2026. https://www.jpad.com.pk/index.php/jpad/article/view/409.