*Corresponding author:
Michael Friedrich, Director of the Department of Obstetrics and Gynecology, Helios Hospital, Luther Square 40, D-47805 Krefeld, GermanyReceived: August 20, 2018; Published: August 27, 2018
DOI: 10.26717/BJSTR.2018.08.001645
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Epidemiologic studies have indicated that vitamin D might play a protective role against breast cancer. Incidence of breast cancer and mortality rate considerably vary worldwide and reveal a geographic pattern. The lowest rates of breast cancer generally occur in countries close the equator