1. The Structure and Scope of the Collaborative Project on Cerebral Palsy, Mental Retardation, and Other Neurological and Sensory Disorders of Infancy and Childhood;Berendes,1966
2. Perinatal Mortality, The First Report of the British Perinatal Mortality Survey;Butler,1963
3. Perinatal Problems, The Second Report of the 1958 British Perinatal Mortality Survey;Butler,1969
4. Parental, fetal, and environmental factors in perinatal mortality
5. North Carolina Fetal and Neonatal Death Study I—Study Design and Some Preliminary Results