Abnormal ductus venosus blood flow in trisomy 21 fetuses during early pregnancy

Fetal nuchal translucency: ultrasound screening for fetal trisomy in the first trimester of pregnancy

K. H. Nicolaides, Maria de Lourdes Brizot, R. J. M. Snijders · BJOG An International Journal of Obstetrics & Gynaecology · 1994 · 353 citations

Medicine, Genetics, Obstetrics +16

Sonographic Identification of Second-Trimester Fetuses with Down's Syndrome

Beryl R. Benacerraf, Rebecca Gelman, F D Frigoletto · New England Journal of Medicine · 1987 · 318 citations

Medicine, Maternal Health, Obstetrics +17

Reference ranges for fetal venous and atrioventricular blood flow parameters

Kurt Hecher, S. Campbell, R. J. M. Snijders et al. · Ultrasound in Obstetrics and Gynecology · 1994 · 315 citations · Full text

Medicine, Obstetrics, Flow Visualization +16

Ultrasonographic velocimetry of the fetal ductus venosus

Torvid Kiserud, S. H. Eik‐Nes, H‐G. K. Blaas et al. · The Lancet · 1991 · 305 citations

Medicine, Anatomy, Obstetrics +13

Fetal venous, intracardiac, and arterial blood flow measurements in intrauterine growth retardation: Relationship with fetal blood gases

Kurt Hecher, R. J. M. Snijders, Stuart Campbell et al. · American Journal of Obstetrics and Gynecology · 1995 · 270 citations

Medicine, Obstetrics, Physiology +16