clinical efficacy and safety of oxmetidine ( 400 mg b.i.d . ) , a new potent specific h2-receptor antagonist , and cimetidine ( 1 g/day ) were compared in a double-blind randomized trial of 4 weeks duration that involved 39 outpatients with endoscopically proven active duodenal ulcer .
C0008783
cimetidine
C0013295
duodenal ulcer