John L. Kitzmiller

Prenatal diagnosis of neural tube defects. V. The value of amniotic fluid cholinesterase studies.

M. Younger, Aubrey Milunsky, Elliot Alpert, 1980, American journal of obstetrics and gynecology.

Risk of respiratory distress syndrome after prenatal dexamethasone treatment.

R. Neff, M. Avery, H. Taeusch, 1979, Pediatrics.