Helicobacter pylori infection and duodenal ulcer.
Heatley
R V
RV
D004381:Duodenal Ulcer / Q000628:therapy*; D005744:Gastric Acid / Q000378:metabolism; D016481:Helicobacter Infections / Q000628:therapy*; D016480:Helicobacter pylori; D006801:Humans