New Ballard Score, expanded to include extremely premature infants

Intrauterine growth of live-born Caucasian infants at sea level: Standards obtained from measurements in 7 dimensions of infants born between 25 and 44 weeks

Robert Usher, Frances H. McLean · The Journal of Pediatrics · 1969 · 1.3K citations

Medicine, Human Development, Pediatrics +16

A simplified score for assessment of fetal maturation of newly born infants

Jeanne L. Ballard, Kathy Kazmaier Novak, Marshall Driver · The Journal of Pediatrics · 1979 · 938 citations

Medicine, Developmental Biology, Pediatrics +12

Economic Evaluation of Neonatal Intensive Care of Very-Low-Birth-Weight Infants

Michael H. Boyle, George W. Torrance, John C. Sinclair et al. · New England Journal of Medicine · 1983 · 469 citations

Social Sciences, Economics, Pediatrics +17

Correlation of fetal age and measurements between 10 and 26 weeks of gestation.

Hern Wm · PubMed · 1984 · 246 citations

Medicine, Anatomy, Obstetrics +17

<i>Contributions to Embryology</i> . Published by the Carnegie Institution of Washington. No. 1. 1915; No. 26 I91S. Volumes 1-8.

Frederic T. Lewis · Science · 1919 · 140 citations

Life Sciences, Biology, Developmental Biology +7