The predictive impact of body mass index on the efficacy of extended adjuvant endocrine treatment with anastrozole in postmenopausal patients with breast cancer: an analysis of the randomised ABCSG-6a trial.

Gnant M, Pfeiler G, Stöger H, Mlineritsch B, Fitzal F, Balic M, Kwasny W, Seifert M, Stierer M, Dubsky P, Greil R, Steger G, Samonigg H, Fesl C, Jakesz R.

http://www.ncbi.nlm.nih.gov/pubmed/23868011