1. Variations in practice and outcomes of the Canadian NICU Network: 1996-7;Lee;Pediatrics,2000
2. The Vermont-Oxford Trials network: very low birth weight outcomes for 1990;Vermont-Oxford Trials network;Pediatrics,1993
3. Very low birth weight outcomes of the National Institute of Child Health and Human Development Neonatal Network;Hack;Pediatrics,1991
4. Trends in preterm survival and incidence of cerebral haemorrhage 1980-9;Cooke;Arch Dis Child,1991
5. Intraventricular hemorrhage in preterm infants: declining incidence in the 1980’s;Philip;Pediatrics,1989