1. Berseth CL. Minimal enteral feedings. Clin Perinatol. 1995;22:195– 205.
2. Martin JA HB, Sutton PD, Ventura SJ, Menacker F, Kirmeyer S. National Vital Statistics Report: Births: Final Data for 2004. Hyattsville, MD: Division of Vital Statistics, Centers for Disease Control and Prevention, National Center for Health Statistics;2006 .
3. Newborn intensive care: Success or failure?
4. Hack M, Horbar JD, Malloy MH, Tyson JE, Wright E, Wright L. Very low birth weight outcomes of the National Institute of Child Health and Human Development Neonatal Network. Pediatrics. 1991 ;87:587– 597.
5. Klein CJ. Nutrient requirements for preterm infant formulas. J Nutr. 2002 ;132(6 Suppl 1):1395S– 1577S.