RT Journal Article SR Electronic T1 Utilization of complement testing in clinical medicine JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1775 OP 1777 VO 27 IS 11 A1 Abdul-Aziz, Khalil A1 Faizal, Abdul-Aziz YR 2006 UL http://smj.org.sa/content/27/11/1775.abstract