Non-skeletal health effects of vitamin D supplementation: A systematic review on findings from meta-analyses summarizing trial data..

Rejnmark L, Bislev LS, Cashman KD, Eiríksdottir G, Gaksch M, Grübler M, Grimnes G, Gudnason V, Lips P, Pilz S, van Schoor NM, Kiely M, Jorde R. PLoS One. 2017;12(7) PMID:28686645