Can Observational Studies be as good as Random Controlled Trials for Vitamin D

[wbgrant@infionline.net] is looking at extending the power of Observational Studies in place of RCT for Vitamin D as of Feb 2013

The source PDF files of previous studies are attached at the bottom of this page

See also VitaminDWiki

• Summary of Vitamin D trials - Grant Nov 2012

• All items in category Vitamin D Evidence items

• All items in category Meta-analysis items

• 101 vitamin D INVERVENTION trials added during first 7 months of 2012

• Proof that Vitamin D Works 24 items. mostly RCT, as of Feb 2013

  short url = http://is.gd/OSRCT