Todo Bom Costa, S., C. Tapadinhas, and M.L. Sampaio. “Acne Prevalence and Characterization in Adolescents.”. European Journal of Pediatric Dermatology 31, no. 4 (November 12, 2021): 203-12. Accessed January 24, 2022. https://ejpd.com/index.php/journal/article/view/2282.