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

Dr. Grant 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


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

5496 visitors, last modified 27 Feb, 2013,
Printer Friendly Follow this page for updates