JNCI Journal of the National Cancer Institute · 2008 · 422 citations · 31 references
Calcium and vitamin D supplementation did not reduce invasive breast cancer incidence in postmenopausal women. In addition, 25-hydroxyvitamin D levels were not associated with subsequent breast cancer risk. These findings do not support a relationship between total vitamin D intake and 25-hydroxyvitamin D levels with breast cancer risk.
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Lars Osterberg, Terrence F. Blaschke · New England Journal of Medicine · 2005 · 7.8K citations
Paula R. Trumbo, Allison A. Yates, Sandra A. Schlicker et al. · Journal of the American Dietetic Association · 2001 · 4.8K citations