MUHI AL-DEEN , R. The oral mucosa alteration associated with the use of khat leaves chewing by the people in Yemen . Mustansiria Dental Journal, [S. l.], v. 1, n. 2, p. 153–156, 2004. DOI: 10.32828/mdj.v1i2.1109. Disponível em: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/1109. Acesso em: 22 jul. 2024.