@article {pmid20332266, title = {Mammographic density change with 1 year of aerobic exercise among postmenopausal women: a randomized controlled trial}, journal = {Cancer Epidemiol. Biomarkers Prev.}, volume = {19}, number = {4}, year = {2010}, month = {Apr}, pages = {1112{\textendash}1121}, author = {Woolcott, C. G. and Courneya, K. S. and Boyd, N. F. and Yaffe, M. J. and Terry, T. and McTiernan, A. and Brant, R. and Ballard-Barbash, R. and Irwin, M. L. and Jones, C. A. and Brar, S. and Campbell, K. L. and McNeely, M. L. and Karvinen, K. H. and Friedenreich, C. M.} }