A sonographic screening method for Down syndrome

Introduction to sample size determination and power analysis for clinical trials

John M. Lachin · Controlled Clinical Trials · 1981 · 1K citations

Public Health, Biostatistics, Experimental Design +13

MATERNAL SERUM ALPHA-FETOPROTEIN MEASUREMENT: A SCREENING TEST FOR DOWN SYNDROME

H S Cuckle, NicholasJ. Wald, R. H. Lindenbaum · The Lancet · 1984 · 432 citations

Medicine, Maternal Health, Obstetrics +13

Chromosomal Abnormality Rates at Amniocentesis and in Live-Born Infants

JAMA · 1983 · 289 citations

Life Sciences, Genetics, Maternal Health +17

Chromosomal abnormality rates at amniocentesis and in live-born infants

E B Hook · JAMA · 1983 · 289 citations

Life Sciences, Genetics, Maternal Health +17

ICRF 159

RobertE. Bellet, MichaelJ. Mastrangelo, LeonM. Dixon · The Lancet · 1974 · 249 citations