RT Journal Article SR Electronic T1 Preoperative management of children with sickle cell disease undergoing major abdominal surgery JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1033 OP 1033 VO 24 IS 9 A1 Abdul-Wahed N. Meshikhes YR 2003 UL http://smj.org.sa/content/24/9/1033.abstract AB