James N. Macri

An association between low maternal serum α-fetoprotein and fetal chromosomal abnormalities

Irwin R. Merkatz, Harold M. Nitowsky, James N. Macri et al. · American Journal of Obstetrics and Gynecology · 1984 · 739 citations

Genetics, Fetal Chromosomal Abnormalities, Reproductive Health +11

Maternal serum Down syndrome screening: Free β-protein is a more effective marker than human chorionic gonadotropin

James N. Macri, Ramana V. Kasturi, David Krantz et al. · American Journal of Obstetrics and Gynecology · 1990 · 213 citations

Down Syndrome, Fertility, Human Chorionic Gonadotropin +13

Dimeric Inhibin A as a Marker for Down's Syndrome in Early Pregnancy

David A. Aitken, Euan M. Wallace, Jennifer A. Crossley et al. · New England Journal of Medicine · 1996 · 182 citations

First‐trimester screening for fetal aneuploidy: biochemistry and nuchal translucency

F. Orlandi, Giovanni Damiani, T. W. Hallaban et al. · Ultrasound in Obstetrics and Gynecology · 1997 · 117 citations

Fertility, Fetal Medicine, Gynecology +24

First-trimester Down syndrome screening: Free β-human chorionic gonadotropin and pregnancy-associated plasma protein A

David Krantz, John W. Larsen, Philip D. Buchanan et al. · American Journal of Obstetrics and Gynecology · 1996 · 99 citations

Down Syndrome, Pregnancy-associated Plasma, Fertility +11