Dai, Qi Blood magnesium, and the interaction with calcium, on the risk of high-grade prostate cancer. [electronic resource] - PloS one Apr 2011 - e18237 p. digital Publication Type: Journal Article; Research Support, N.I.H., Extramural ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0018237 doi Subjects--Topical Terms: AgedCalcium--bloodHumansMagnesium--bloodMaleMiddle AgedProstatic Intraepithelial Neoplasia--bloodProstatic Neoplasms--bloodRisk Factors