patients with duodenal ulcer ( du ; n = 79 ) or prepyloric ulcer ( ppu ; n = 39 ) received cimetidine , 400 mg twice daily , or novaluzid , 10 ml four times daily ( acid-neutralizing capacity , 340 mmol/day ) , in a multicentre , randomized , double-blind trial .
C0013295
duodenal ulcer
C0008783
cimetidine