1Stoll BJ, Hansen N, Fanaroff AA, et al. Changes in pathogens causing early-onset sepsis I very-low-birth-weight infants. N Engl J Med, 2002, 374(4):240 - 247.
2Stou BJ, Kliegman RV. Nelson textbook of pediatrics.16th ed. Philadelphia: WB Saunder Co, 2001. 475 - 477.
3Pidcock FS. Neurosonographic features of periventricular echodensities with cerebral palsy in preterm infants. J Pediatr, 1990, 116: 417-422.
4Mitton SG. Amino acids and lipid in total pareneral nutrition for the newborn. J Pediatr Gestroenteral Nutr,1994, 18:25- 31.
