Serum 25(OH) vitamin D and risk of breast cancer: a nested case-control study from the French E3N cohort.
Cancer Epidemiol Biomarkers Prev 19(9):2341-50 (2010) PMID 20826834
High 25-hydroxyvitamin D [25(OH)D] serum concentrations have been found to be associated with reduced breast cancer risk. However, few studies have further investigated this relationship according to menopausal status, nor have they taken into account factors known to influence vitamin D status, such as dietary and serum calcium, parathyroid hormone, and estradiol serum levels.
DOI: 10.1158/1055-9965.EPI-10-0264
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