Does mammographic density mediate risk factor associations with breast cancer? An analysis by tumor characteristics

Megan S. Rice, Rulla M. Tamimi, Kimberly A. Bertrand, Christopher G. Scott, Matthew R. Jensen, Aaron D. Norman, Daniel W. Visscher, Yunn Yi Chen, Kathleen R. Brandt, Fergus J. Couch, John A. Shepherd, Bo Fan, Fang Fang Wu, Lin Ma, Laura C. Collins, Steven R. Cummings, Karla Kerlikowske, Celine M. Vachon