Morbidity and mortality of infants with very low birth weight in Japan: center variation

Kusuda S, Fujimura M, Sakuma I, Aotani H, Kabe K, Itani Y, Ichiba H, Matsunami K, Nishida H, Neonatal Research Network, Japan. Morbidity and mortality of infants with very low birth weight in Japan: center variation. Pediatrics. 2006; 118(4): e1130-1138.