Purnell, Margaret E Percent Absent End-Diastolic Velocity in the Umbilical Artery and Donor Twin Demise after Laser Surgery for Twin-Twin Transfusion Syndrome. [electronic resource] - Fetal diagnosis and therapy 2020 - 572-579 p. digital Publication Type: Journal Article ISSN: 1421-9964 Standard No.: 10.1159/000505780 doi Subjects--Topical Terms: Blood Flow Velocity--physiologyCohort StudiesDiastole--physiologyFemaleFetal DeathFetofetal Transfusion--diagnostic imagingHumansLaser Therapy--adverse effectsLiving DonorsPregnancyPregnancy, Twin--physiologyRetrospective StudiesUmbilical Arteries--physiology