R. T. Chlebowski, Johnson, K. C., Kooperberg, C., Pettinger, M., Wactawski-Wende, J., Rohan, T., Rossouw, J., Lane, D., O'Sullivan, M. Jo, Yasmeen, S., Hiatt, R. A., Shikany, J. M., Vitolins, M., Khandekar, J., and F Hubbell, A.,
“Calcium plus vitamin D supplementation and the risk of breast cancer.”,
Journal of the National Cancer Institute, vol. 100, no. 22, pp. 1581-91, 2008.