1. A long-term follow-up study of women using different methods of contraception-an interim report;Vessey, M.P.; Doll, R.; Peto, R.; Johnson, B.; Wiggins, P.;J Biosoc Sci,1976
2. A review of the epidemiology of human breast cancer;Kelsey, J.L.,1979
3. Oral contraceptives as related to cancer and benign lesions of the breast;Fasal, E.; Paffenbarger, R.S.;J Natl Cancer Inst,1975
4. Breast cancer risk factors among screening program participants;Brinton, L.A.; Williams, R.R.; Hoover, R.N.;J Natl Cancer Inst,1979
5. An epidemiological study of oral contraceptives and breast cancer;Vessey, M.P.; Doll, R.; Jones, K.; McPherson, K.; Yeates, D.;Br MedJ,1979