IV Workshop on Gastroduodenal Pathology and Helicobacter pylori. Bologna, November 28-30, 1991. Abstracts.
D004378:Duodenal Diseases / Q000382:microbiology*; D016481:Helicobacter Infections; D016480:Helicobacter pylori; D006801:Humans; D013272:Stomach Diseases / Q000382:microbiology*