1. Perinatal anoxia and cognitive development in early childhood;Broman,1979
2. Preschool IQ: Prenatal and Early Developmental Correlates;Broman,1975
3. The effects of neonatal asphyxia on physical and mental development;Campbell;Arch. Dis. Childh.,1950
4. The First Breath;Chamberlain,1975
5. British Births 1970;Chamberlain,1978