RT Journal Article SR Electronic T1 Saudi Medical Journal JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 2 OP 2 VO 21 IS 1 A1 Al-Deeb, Saleh M. A1 Yaqub, Basim A. YR 2000 UL http://smj.org.sa/content/21/1/2.abstract AB