Study the physical coefficients for some of Melasma cases treated by laser. Muthanna Journal of Pure Science, [S. l.], v. 12, n. 2, 2026. DOI: 10.52113/2/12.02.2025/35-43. Disponível em: https://www.muthuni-ojs.org/index.php/mjps/article/view/846. Acesso em: 10 may. 2026.