Short-term changes in ultrasound tomography measures of breast density and treatment-associated endocrine symptoms after tamoxifen therapy oleh Cody Ramin, Ruth M. Pfeiffer, Sharon Fan, Maeve Mullooly, Roni T. Falk, Kristine Jones, Neil E. Caporaso, Lisa Bey-Knight, Mark A. Sak, Michael S. Simon, David H. Gorski, Haythem Ali, Peter Littrup, Neb Duric, Mark E. Sherman, Gretchen L. Gierach