Changes in ductus venosus velocity ratios after fetoscopic laser surgery for twin-twin transfusion syndrome.
Nicola FratelliC PedrettiV GerosaA ValcamonicoC ZanardiniFederico PrefumoAnna FicheraPublished in: Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology (2019)