1. Declining severity adjusted mortality: evidence of improving neonatal intensive care;Richardson;Pediatrics,1998
2. Prophylactic corticosteroids for preterm birth;Crowley;The Cochrane Database of Systematic Reviews,2005
3. Synthetic surfactant for respiratory distress syndrome in preterm infants (Cochrane Review);Soll;The Cochrane Database of Systematic Reviews,2005
4. [Increase in perinatal referral to regional centers of premature birth in The Netherlands: comparison 1983 and 1993];Kollée;Nederlands Tijdschrift voor Geneeskunde,1998
5. Cerebral palsy;Kuban;New England Journal of Medicine,1994