1. Growth and development of infants weighing less than 800 grams at birth;Bennett;Pediatrics,1983
2. The development of human fetal hearing;Birnholz;Science,1983
3. Visual responses in the newborn;Brazelton;Pediatrics,1966
4. Mortality and follow-up data for neonates weighing 500 to 800g at birth;Buckwald;American Journal of Diseases of Children,1984