title: [Helicobacter pylori in the pediatric population].
authors.forename: A
authors.initials: A
authors.lastname: Varela
mesh_terms: D015746:Abdominal Pain / Q000382:microbiology; D002648:Child; D016481:Helicobacter Infections / Q000150:complications; D016480:Helicobacter pylori; D006801:Humans