@article {pmid20159820,
	title = {Alberta physical activity and breast cancer prevention trial: sex hormone changes in a year-long exercise intervention among postmenopausal women},
	journal = {J. Clin. Oncol.},
	volume = {28},
	number = {9},
	year = {2010},
	month = {Mar},
	pages = {1458{\textendash}1466},
	author = {Friedenreich, C. M. and Woolcott, C. G. and McTiernan, A. and Ballard-Barbash, R. and Brant, R. F. and Stanczyk, F. Z. and Terry, T. and Boyd, N. F. and Yaffe, M. J. and Irwin, M. L. and Jones, C. A. and Yasui, Y. and Campbell, K. L. and McNeely, M. L. and Karvinen, K. H. and Wang, Q. and Courneya, K. S.}
}
