Bone mineral density in breast cancer patients treated with adjuvant letrozole, tamoxifen, or sequences of letrozole and tamoxifen in the BIG 1-98 study (SAKK 21/07)

Zaman K, Aebi S, Brauchli P, Genton C, Berthod G, Giobbie-Hurder A, Simcock M, Lüthi J, Pagani O, Schonenberger A, Huober J, Thürlimann B, on behalf of the Swiss Group for Clinical Cancer Research (SAKK). Bone mineral density in breast cancer patients treated with adjuvant letrozole, tamoxifen, or sequences of letrozole and tamoxifen in the BIG 1-98 study (SAKK 21/07). Ann Oncol 2011