RT Journal Article SR Electronic T1 Multiple choice questions in Sudan Medical Schools. JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1197 OP 1197 VO 21 IS 12 A1 Elbagir A. Elfaki A1 Awad M. Ahmed YR 2000 UL http://smj.org.sa/content/21/12/1197.abstract AB