1. Respiratory distress syndrome;Soll,1992
2. Eva Kemper. Food and Drug Administration, Press Release No. P90-41. Washington, DC: USFDA; August 6, 1990.
3. Horbar JD, Wright EC, Onstad L, and the members of the National Institute of Child Health and Human Development Neonatal Research Network. Decreasing mortality associated with the introduction of surfactant therapy: An observational study of neonates weighing 601 to 1300 grams at birth. Pediatrics. 1993;92:191–196.
4. Effect of surfactant on morbidity, mortality, and resource use in newborn infants weighing 500 to 1500 g;Schwartz;N Engl J Med.,1994
5. Birth weight and age-specific analysis of the 1990 U.S. infant mortality drop;Schoendorf;Arch Pediatr Adolesc Med.,1997