2[1]Papageorgiou A, Bardin CL. The extremely low birth weight infant. In:Avery G. B, Fletcher MA, MacDonald MG, eds. Neonatology, pathophysiology & management of the newborn. 5th ed. Philadelphia:Lippicott Williams & Wilkins, 1999. 445.
3[2]Jonson B,Katz-Salamon M, Faxelius G,et al.Neonatal care of very low birth weight infants in special care units and neonatal intensive care unit in Stockholm,early nasal continuous positive airway pressure versus mechanical ventilation:gains and losses. Acta Paediatr, 1997,419(suppl):4
4[3]Newell SJ. Enteral feeding of the micropremie. Clin Perinatol, 2000,27 (1):221
