title: Noncalculous biliary obstruction in children and adolescents.
authors.forename: V G
authors.initials: VG
authors.lastname: Gava
authors.forename: A A
authors.initials: AA
authors.lastname: Nacul-Filho
mesh_terms: D000293:Adolescent; D001196:Ascariasis / Q000150:complications* / Q000175:diagnosis; D002648:Child; D002760:Cholangiopancreatography, Endoscopic Retrograde; D002779:Cholestasis / Q000209:etiology / Q000382:microbiology*; D006801:Humans