[Helicobacter pylori infection--from gastritis to stomach cancer].
Asaka
M
M
D005756:Gastritis / Q000209:etiology*; D016481:Helicobacter Infections / Q000150:complications*; D016480:Helicobacter pylori; D006801:Humans; D013274:Stomach Neoplasms / Q000209:etiology*