1. Biostatistical methods in epidemiology;Newman,2001
2. Components of the crude risk ratio;Miettinen;Am J Epidemiol,1972
3. Standardization of risk ratios;Miettinen;Am J Epidemiol,1972
4. Statistical aspects of the analysis of data from retrospective studies of disease;Mantel;J Natl Cancer Inst,1959
5. Epidemiology: an introduction;Rothman,2012