1. Neonatal intensive care: is it worth it?;Blackman;Pediatr Clin North Am,1991
2. Economic analysis of regionalized neonatal care for very low-birthweight infants in the state of Rhode Island;Walker;Pediatrics,1985
3. Small babies, big bills;Arnebeck;Group Pract J,1986
4. The Alabama preterm birth prevention project;Goldenberg;Obstet Gynecol,1990
5. Annual summary of vital statistics—1996;Guyer;Pediatrics,1997