Efficacy of topical 4% liquiritin compared with topical 4% liquiritin mixed in 5% ascorbic acid in the treatment of melasma. Journal of Pakistan Association of Dermatologists, [S. l.], v. 23, n. 2, p. 149–152, 2016. DOI: 10.66344/jpad.v23i2.298. Disponível em: https://www.jpad.com.pk/index.php/jpad/article/view/298. Acesso em: 28 jul. 2026.