DOI:
10.1055/s-00000142
Frauenheilkunde up2date
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References
Collaborative Group on Hormonal Factors in Breast Cancer.
Breast cancer and hormonal contraceptives: collaborative reanalysis of individual data on 53 297 women with breast cancer and 100 239 women without breast cancer from 54 epidemiological studies.
Lancet 1996;
347: 1713-1727
doi:10.1016/s0140-6736(96)90806-5
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