Relationship of ulcer pain to pH and motility of stomach and duodenum.
D004386:Duodenum; D005750:Gastric Juice; D010146:Pain; D010437:Peptic Ulcer; D013270:Stomach / Q000502:physiology*; D014456:Ulcer
GASTRIC JUICE; PEPTIC ULCER/manifestations; STOMACH/physiology