title: [A clinical study in 4 infants with duodenal ulcer].
authors.affiliation: Department of Pediatrics, Gunma University School of Medicine.
authors.forename: M
authors.initials: M
authors.lastname: Tabata
authors.forename: K
authors.initials: K
authors.lastname: Ito
authors.forename: T
authors.initials: T
authors.lastname: Tomomasa
mesh_terms: D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000382:microbiology / Q000473:pathology*; D004384:Duodenoscopy; D016480:Helicobacter pylori / Q000302:isolation & purification; D006801:Humans; D007223:Infant; D008297:Male