Asaduzzaman, A., Sikder, A., Mahmud, M. M., Pau, H. K. and Islam, M. N. (2016) “Efficacy and safety of leflunomide in psoriatic arthritis”, Journal of Pakistan Association of Dermatologists, 24(1), pp. 51–56. Available at: http://jpad.com.pk/index.php/jpad/article/view/174 (Accessed: 28October2025).