4[4]Lorayne Barton. Causes of death in the extremely low birth weight infant. Pedatrics Vol. 103 No. 2 February 1999,446 ～ 451
5[5]William E. Pediatrics 1999, 103 (6): 77
6[6]Rzanek - Glowacka J. Is the mother' s bacterial vaginosis with PROM a significant factor for intrauterine infection of the fetus in the preterm labor before 32 weeks of gestation. Ginekol Pol, 2003,74(10): 1262 ～ 1268
7[7]Bhakoo ON. Spectrum of respiratory distress in very low birthweight neonates. Indian J Pediatr, 2000,67( 11 ): 803 ～ 804
8[8]Yoon BH. C - reactive protein in umbilical cord blood: a simple and widely available clinical method to assess the risk of amniotic fluid infection and funisitis. J Matern Fetal Neonatal Med, 2003, 14(2) :85 ～ 90
9[9]MP Sherman. Tracheal aspiration and its clinical correlates in the diagnosis of congenital pneumonia. Pediatrics, 1997,66(6) :2
10[11]Rudiger M. Disturbed surface properties in preterm infants with pneumonia. Biol Neonate,2001,79(2) :73 ～ 78
