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11 results for “placebo-controlled trial”
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Research ArticleOpen accessIn the abstractThe Effect of Zinc and "Health Belief Model" Based Education on Common Cold Prevention in SoldiersArash Pooya, Ahmad Mahmoudian, Mohamad Mahdi Hazavei et al.The purpose of this study was to determine the effect of "Zinc" and "Health Belief model" based education on viral upper respiratory tract infections in soldiers in Isfahan - 2004 - 2005. It was a double - blinded randomized controlled trial, which was done among a group of soldiers by census. Soldiers were randomly divided into four groups. On the … …American Journal of Infectious Diseases, Vol. 2, Issue 4 · 31 Dec 2006 · 6,347 accessesView PDFCite