title: An endoscopic and gastric secretory study of non-ulcer dyspepsia.
mesh_terms: D000328:Adult; D004415:Dyspepsia / Q000175:diagnosis* / Q000503:physiopathology*; D004724:Endoscopy; D005260:Female; D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D008297:Male; D008875:Middle Aged