RT Journal Article SR Electronic T1 Perseverance JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 5 OP 6 VO 28 IS 1 A1 Al-Deeb, Saleh M. A1 Alokaily, Fahdah YR 2007 UL http://smj.org.sa/content/28/1/5.abstract