Infection with Helicobacter pylori.
Armstrong
D
D
McMaster University, Ontario, Canada.
Stevenson
G
G
D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000209:etiology*; D016481:Helicobacter Infections / Q000150:complications* / Q000175:diagnosis; D016480:Helicobacter pylori; D006801:Humans