1. Statistical Methods for Rates and Proportions;Fleiss,1973
2. Statistical analysis of the relative risk;Gart;Envir Hlth Persp,1979
3. The Analysis of Cross-Classified Categorical Data;Fienberg,1977
4. Mendelian Inheritance in Man;McKusic,1978
5. Epidemiological concepts applied to studies of chronic diseases;Lilienfeld,1965