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Safety and Efficacy Profile of Echinacea purpurea to Prevent Common Cold Episodes: A Randomized, Double-Blind, Placebo-Controlled Trial
Objective. To investigate the safety (risk) and efficacy (benefit) of Echinacea purpurea extract in the prevention of common cold episodes in a large population over a 4-month period. Methods. 755 healthy subjects were allocated to receive either an alcohol extract from freshly harvested E. purpurea...
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| Main Authors: | , , , , |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
Hindawi Publishing Corporation
2012
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3457740/ https://ncbi.nlm.nih.gov/pubmed/23024696 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1155/2012/841315 |
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