1. Clinical implications of perinatal mortality statistics;Usher;Clin. Obstet. Gynecol,1971
2. Fetal lung development: Current concepts;Gluck;Pediatr. Clin. North Am,1973
3. Respiratory distress syndrome, surfactant biochemistry, and acceleration of fetal lung maturity: A review;Brown;Obstet. Gynecol. Survey,1975
4. Evidence for independent regulators of organ maturation in fetal rabbits;Kotas;Pediatrics,1971
5. Acceleration of appearance of pulmonary surfactant in the fetal lamb by administration of corticosteroids;DeLemos;Am. Rev. Resp. Dis,1970