American society of echocardiography guidelines and standards for performance of the fetal echocardiogramJack Rychik, Mary Van Der Veld, Nancy A. Ayres et al.|Journal of the American Society of Echocardiography|2004Cited by 463
Fetoscopic Open Neural Tube Defect RepairMichael A. Belfort, Darrell L. Cass, Oluyinka O. Olutoye et al.|Obstetrics and Gynecology|2017Cited by 325