I. Salih, M., and D. S. Qurtas. “The Efficacy of Azelaic Acid 20% Cream in the Treatment of Scalp Alopecia Areata”. Iraqi Journal of Pharmacy, vol. 19, no. 1, July 2022, pp. 23-33, https://rjps.uomosul.edu.iq/index.php/iphr/article/view/21626.