To evaluate the protective effect of sunscreen in the incidence of melasma among medical students. Journal of Pakistan Association of Dermatologists, [S. l.], v. 31, n. 3, p. 415–419, 2022. DOI: 10.66344/jpad.v31i3.1858. Disponível em: https://www.jpad.com.pk/index.php/jpad/article/view/1858. Acesso em: 11 sep. 2026.