ABDO, G. M. Preliminary study of chewing betel leaf and its adverse effects in Aden. University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 20, n. 2, p. 455–462, 2016. DOI: 10.47372/uajnas.2016.n2.a19. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/349. Acesso em: 24 nov. 2024.