title: Umbilical cord pseudocyst in trisomy 13.
authors.affiliation: Department of Obstetrics and Gynecology, Università di Roma 'Tor Vergata', Rome, Italy.
authors.forename: G
authors.initials: G
authors.lastname: Rizzo
authors.affiliation: Department of Obstetrics and Gynecology, Università di Ancona, Ancona, Italy.
authors.forename: D
authors.initials: D
authors.lastname: Arduini