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The effect of vitamin D supplementation on bone formation a..:

Ali Akhavan ; Zahra Noroozi ; Amir Abbas Shafiei...
http://www.drjjournal.net/article.asp?issn=1735-3327;year=2012;volume=9;issue=5;spage=582;epage=587;aulast=Akhavan.  , 2012