Unfortunately no abstact this side of a paywall
Low vitamin D status likely contributes to the link between periodontal disease and breast cancer.
Breast Cancer Res Treat. 2011 Mar 25.
Grant WB, Boucher BJ.
Sunlight, Nutrition, and Health Research Center (SUNARC), P.O. Box 641603, San Francisco, CA, 94164-1603, USA, wbgrant at infionline.net.