RT Journal Article SR Electronic T1 Scoring systems for diagnosing acute appendicitis JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 692 OP 693 VO 26 IS 4 A1 Abu-Zidan, Fikri M. A1 Al-Hashemy, Ahmed YR 2005 UL http://smj.org.sa/content/26/4/692.abstract AB