the endoscopic healing rates at weeks 2 , 4 , 6 , 8 , 10 , and 12 of three cimetidine regimens with identical total daily dose -- bedtime ( 1200 mg ) , mealtime ( 400 mg three times a day with meals ) , and reference ( 200 mg three times a day with meals and 600 mg at bedtime ) -- were compared in a randomized study on 141 patients with endoscopically proven duodenal ulcer .
C0008783
cimetidine
C0013295
duodenal ulcer