title: Colonization of gastric lesions by urease-positive bacteria.
authors.forename: S
authors.initials: S
authors.lastname: Räisänen
authors.forename: H
authors.initials: H
authors.lastname: Södervik
mesh_terms: D002169:Campylobacter Infections; D005756:Gastritis / Q000209:etiology*; D006801:Humans; D013276:Stomach Ulcer / Q000209:etiology*