Clinical experience with the amniotic fluid lecithin/sphingomyelin ratio

Diagnosis of the respiratory distress syndrome by amniocentesis

Louis Gluck, Marie V. Kulovich, Robert C. Borer et al. · American Journal of Obstetrics and Gynecology · 1971 · 910 citations

Medicine, Maternal Health, Obstetrics +10

Observations on heart rate and pH in the human fetus during labor

F. Kubli, Edward H. Hon, Aida F. Khazin et al. · American Journal of Obstetrics and Gynecology · 1969 · 401 citations

Life Sciences, Obstetrics, Physiology +14

Clinical experience with the oxytocin challenge test

Michael L. Ray, Roger K. Freeman, Stephen Pine et al. · American Journal of Obstetrics and Gynecology · 1972 · 175 citations

Medicine, Endocrinology, Obstetrics +8

ADRENAL GLAND STRUCTURE AND THE DEVELOPMENT OF HYALINE MEMBRANE DISEASE

Richard L. Naeye, H. Theodore Harcke, William A. Blanc · PEDIATRICS · 1971 · 84 citations

Medicine, Developmental Biology, Pediatrics +17

Amniotic fluid lecithin-sphingomyelin ratio as an index of fetal maturity.

Spellacy Wn, Buhi Wc · PubMed · 1972 · 58 citations

Medicine, Developmental Biology, Obstetrics +13