Antsaklis, A Fetal blood sampling in twin pregnancies. [electronic resource] - Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology Oct 2003 - 377-9 p. digital Publication Type: Comparative Study; Evaluation Study; Journal Article ISSN: 0960-7692 Standard No.: 10.1002/uog.211 doi Subjects--Topical Terms: AdultFemaleFetal Blood--chemistryFetal Death--etiologyHumansInfant, NewbornObstetric Labor, Premature--etiologyPregnancyPregnancy, Multiple--bloodPrenatal Diagnosis--adverse effectsRetrospective StudiesRisk FactorsTwins