V. Langer, Laura, Lucas Prim, Thelma Skare, Virginia Wrublevski, and Renato Nisihara. “Isotretinoin, Acne and Depression: A Prospective Controlled Study”. Journal of the Portuguese Society of Dermatology and Venereology 79, no. 3 (October 17, 2021): 241-245. Accessed January 16, 2022. https://revista.spdv.com.pt/index.php/spdv/article/view/1373.