title: [Duodenal involvement in Henoch-Schonlein purpura. Report of a case].
authors.affiliation: Médico Gastroenterólogo Hospital II Suárez-Angamos ESSALUD – Clínica Centenario Peruano Japonesa. dralfonso_al@yahoo.com
authors.forename: Alfonso
authors.initials: A
authors.lastname: Chacaltana Mendoza