Elmustafa, Osman, AND 		Osman, Wail.
" The Performance of Candidates in the Examinations of the Otorhinolaryngology Specialty, Sudanese National Board of Medical Specializations" <em>مجلة الجزيرة للعلوم الصحية</em> [على الإنترنت], المجلد 9 العدد 2 (1 December 2013)