title: Gastric acid output study in East African and Japenese subjects.
mesh_terms: D000293:Adolescent; D000328:Adult; D000351:Africa, Eastern; D000367:Age Factors; D000368:Aged; D044466:Asian People; D044383:Black People; D004381:Duodenal Ulcer / Q000503:physiopathology; D005260:Female; D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged