two hundred twenty-two patients with endoscopically proven duodenal ulcers participated in a controlled trial to assess and compare the effects of two dosage regimens of sucralfate tablets on ulcer healing , i.e. , 1 g four times daily ( group a , n = 131 ) and 2 g twice daily ( group b , n = 128 ) .
C0013295
duodenal ulcers
C0038633
sucralfate