Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

Vitamin D Supplementation for the Prevention of Acute Respiratory Tract Infections

This study has been completed.
Finnish Defense Forces
Information provided by (Responsible Party):
Ilkka Laaksi, University of Tampere Identifier:
First received: September 8, 2009
Last updated: December 2, 2014
Last verified: December 2014
No Study Results Posted on for this Study
  Study Status: This study has been completed.
  Study Completion Date: December 2010
  Primary Completion Date: December 2009 (Final data collection date for primary outcome measure)