RT Journal Article SR Electronic T1 Helicobacter pylori infection, effect on gastric histology and clinical outcome JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 2053 OP 2054 VO 25 IS 12 A1 Salih, Barik A. A1 Bughrara, Fawzi A. YR 2004 UL http://smj.org.sa/content/25/12/2053.abstract AB