1. Perinatal Problems: The first Report of the 1958 British Perinatal Mortality Survey;Butler,1969
2. Perinatal Problems: The Second Report of the 1958 British Perinatal Mortality Survey;Butler,1969
3. A study of infant mortality from linked records;Department of Health, Education, and Welfare,1972
4. Infant death: an analysis of maternal risk and health care;Institute of Medicine, Panel on Health Services Research,1973
5. Linear discriminant analysis in perinatal mortality;Greenberg;Am. J. Public Health,1963