Yasuko Nagao

Relationship between mammographic density and the risk of breast cancer in japanese women: a case-control study

Yoshihiro Kawaguchi, S. Saji, Y. Sugiyama, 2003, Breast cancer.

Associations of Mammographic Density with Dietary Factors in Japanese Women

Hiroshi Fujita, Tomoko Matsubara, H. Fujita, 2005, Cancer Epidemiology Biomarkers & Prevention.