this possibility has been investigated by measuring the 24 h intragastric acidity and nocturnal output of acid in four duodenal ulcer patients , each receiving on separate occasions cimetidine 1 g/day and placebo , atropine 2-4 mg/day and placebo , cimetidine and atropine , or two placebos .
C0013295
duodenal ulcer
C0008783
cimetidine