Post-acne hyperpigmentation: Evaluation of risk factors and the use of artificial neural network as a predictive classifier. Dermatology Reports, [S. l.], v. 13, n. 3, 2021. DOI: 10.4081/dr.2021.8223. Disponível em: https://journals.pagepress.org/dr/article/view/8223. Acesso em: 19 jun. 2025.