RT Journal Article SR Electronic T1 Omeprazole healed ulcers and maintained remission better than ranitide JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 117 OP 117 DO 10.1136/ebm.1998.3.117 VO 3 IS 4 YR 1998 UL http://ebm.bmj.com/content/3/4/117.abstract AB