1. The problem of possible effects of oral contraceptives on cancer of the breast;Hertz, R.;Cancer
2. Hormonal treatment of cancer. N EnglJ';Nathanson, I.T.; Kelley, R.M.;Med,1952
3. Oral contraceptives: update on usage, safety, and side effects;Connell, E.B.; Gillespie, D.; Goodman, H.C.; Heiby, JR;Population reports,1979
4. Investigation of the possible relationship between oral contraceptives and benign and malignant breast disease;Vessey, M.P.; Doll, R.; Sutton, P.M.;Cancer,1971
5. Cancer risk as related to use of oral contraceptives during fertile years;Paffenbarger, R.S.; Fasal, E.; Simmons, M.E.; Kampert, J.B.;Cancer,1977