in a study of 28 outpatients with endoscopically proven duodenal ulcers , 14 patients ( with a total of 15 ulcers ) were treated with bismuth tablets ( colloidal bismuth subcitrate , de-nol , gist-brocades nv ) and 14 patients ( 14 ulcers ) were treated with cimetidine ( smith , kline , and french ) .
C0013295
duodenal ulcers
C0008783
cimetidine