Helicobacter pylori infection.
Bateson
M C
MC
D000328:Adult; D005260:Female; D016481:Helicobacter Infections / Q000150:complications*; D016480:Helicobacter pylori; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking / Q000009:adverse effects*; D013274:Stomach Neoplasms / Q000382:microbiology*