DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Collaborative Group on hormonal factors in breast cancer.
Breast cancer and hormone replacement therapy: collaborative reanalysis of data from 51 epidemiological studies of 52, 705 women with breast cancer and 108, 411 women without breast cancer. 
Lancet 1997; 350: 1047-1059  

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