Skin aging. Journal of Pakistan Association of Dermatologists, [S. l.], v. 21, n. 2, p. 77–79, 2016. DOI: 10.66344/jpad.v21i2.445. Disponível em: https://www.jpad.com.pk/index.php/jpad/article/view/445. Acesso em: 28 jul. 2026.