title: Maternal serum placental protein 13 at eleven to thirteen weeks in chromosomally abnormal pregnancies.
authors.affiliation: Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, London, UK.
authors.forename: Ranjit
authors.initials: R
authors.lastname: Akolekar
authors.forename: José María
authors.initials: JM
authors.lastname: Pérez Penco
authors.forename: Evdoxia
authors.initials: E
authors.lastname: Skyfta
authors.forename: Jesús
authors.initials: J
authors.lastname: Rodríguez Calvo
authors.forename: Kypros H
authors.initials: KH
authors.lastname: Nicolaides