the aim of the present investigation was to compare the efficacy of a low-dose antacid ( maalox 70 , 280 mmol/day ) with that of the h2-receptor antagonist cimetidine ( tagamet , 200 mg three times daily and 400 mg/day ) after 14 and 28 days in the treatment of duodenal ulcer .
C0008783
h2-receptor antagonist
C0013295
duodenal ulcer