Yousif Elemam, Ibrahim Bakhit; Alobaid, Awad Eljeed Abugooda; Alsheikh, Mohammed Abed Algader; Mahmud, Abdalhafeez Osman; Ahmed, Hussain Gadelkarim
(Egyptian Academical Journal of Biological Science, 2014-01)
Background: Many factors have been identified as important causative agents that responsible for the development of oral precancerous and cancerous lesions. In Sudan, Toombak have been identified as a major risk factor. ...