Di Landro, A., L. Marchesi, and G. Di Landro. “Prevalence and Severity of Acne in Young People of Northern Italy.”. European Journal of Pediatric Dermatology 20, no. 3 (September 30, 2010): 185-90. Accessed May 6, 2024. https://ejpd.com/index.php/journal/article/view/649.