title: [Helicobacter pylori in chronic gastroduodenal ulcer].
authors.forename: L I
authors.initials: LI
authors.lastname: Aruin
mesh_terms: D000818:Animals; D001706:Biopsy; D002908:Chronic Disease; D018450:Disease Progression; D004381:Duodenal Ulcer / Q000382:microbiology* / Q000473:pathology; D016481:Helicobacter Infections / Q000382:microbiology* / Q000473:pathology; D016480:Helicobacter pylori / Q000302:isolation & purification*; D006801:Humans; D007413:Intestinal Mucosa / Q000382:microbiology / Q000473:pathology; D012008:Recurrence; D013276:Stomach Ulcer / Q000382:microbiology* / Q000473:pathology