title: The first-trimester ultrasonographic diagnosis of dicephalus conjoined twins.
authors.affiliation: Department of Obstetrics and Gynaecology, De Weezenlanden ziekenhuis, Zwolle, The Netherlands.
authors.forename: H W
authors.initials: HW
authors.lastname: van Eyndhoven
authors.forename: H
authors.initials: H
authors.lastname: ter Brugge
mesh_terms: D000328:Adult; D005260:Female; D005333:Fetus / Q000002:abnormalities*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014428:Twins, Conjoined / Q000473:pathology*; D016216:Ultrasonography, Prenatal