ALHAJJ, Mohammed Nasser; ALHAJJ, Wadhah Abdulnasser. Prevalence of Melanin Pigmentation in a Yemeni Population and its Relation to Some Risk Factors. Brazilian Dental Science, São José dos Campos, Brazil, v. 23, n. 2, p. 9 p., 2020. DOI: 10.14295/bds.2020.v23i2.1906. Disponível em: https://ojs.ict.unesp.br/index.php/cob/article/view/1906. Acesso em: 21 aug. 2025.