[Progresses in the study of gastroenterology in China, 1997].
Lu
X
X
D003110:Colonic Neoplasms / Q000235:genetics; D006471:Gastrointestinal Hemorrhage / Q000628:therapy; D016481:Helicobacter Infections; D016480:Helicobacter pylori; D006801:Humans; D013274:Stomach Neoplasms / Q000382:microbiology*