Alhajj MN, Alhajj WA. Prevalence of Melanin Pigmentation in a Yemeni Population and its Relation to Some Risk Factors. BDS [Internet]. 2020 Mar. 31 [cited 2025 Aug. 21];23(2):9 p. Available from: https://ojs.ict.unesp.br/index.php/cob/article/view/1906