DOI:
10.1055/s-00000020
Geburtshilfe und Frauenheilkunde
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References
Mouridsen H, Gershanovich M, Sun Y. et al.
Phase III study of letrozole versus tamoxifen as first-line therapy of advanced breast cancer in postmenopausal women: analysis of survival and update of efficacy from the International Letrozole Breast Cancer Group.
J Clin Oncol 2003;
21: 2101-2109
doi:10.1200/JCO.2003.04.194
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