1. A review of the epidemiology of human breast cancer;Kelsey, J.L.;Epidemiol Rev,1979
2. Epidemiologic and related studies of breast cancer etiology;Thomas, D.B.,1980
3. Risk factors for breast cancer;Helmrich, S.P.; Shapiro, S.; Rosemberg, L.;AmJEpidemiol,1983
4. Reproductive factors and risk for breast cancer in Iceland;Tulinius, H.; Day, N.E.; Johannesson, G.;Intl Cancer,1978
5. Age at any birth and breast cancer risk;Trichopoulos, D.; Hsieh, C.C.; MacMahon, B.;Intl Cancer,1983