in a double-blind , randomised trial two drug regimens were compared in a group of 129 patients with uncomplicated duodenal ulcers , 64 receiving cimetidine ( 800 mg ) and pirenzepine ( 50 mg ) at bed-time , 65 receiving cimetidine ( 800 mg ) and a placebo at bed-time .
C0013295
duodenal ulcers
C0008783
cimetidine