On measurement of basal acid output from the stomach.
D004381:Duodenal Ulcer / Q000378:metabolism / Q000503:physiopathology / Q000601:surgery; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D010418:Pentagastrin / Q000494:pharmacology; D012636:Secretory Rate / Q000187:drug effects; D013268:Stimulation, Chemical; D013997:Time Factors; D014628:Vagotomy; D014630:Vagus Nerve / Q000502:physiology
D010418:Pentagastrin