Meta-analysis of longitudinal studies: Serum vitamin D and prostate cancer risk.
Yin L, Raum E, Haug U, Arndt V, Brenner H.
Cancer Epidemiol. 2009 Dec;33(6):435-45. Epub 2009 Nov 25.
PMID: 19939760
doi:10.1016/j.canep.2009.10.014
CONCLUSIONS: According to available evidence from longitudinal studies, serum 25(OH)D is not associated with PC incidence.