Efficacy of a standardized echinacea preparation (Echinilin) for the treatment of the common cold: a randomized, double-blind, placebo-controlled trial
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Efficacy of a standardized echinacea preparation (Echinilin) for the treatment of the common cold: a randomized, double-blind, placebo-controlled trial
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| description | scientific article |
External Links
| (P356) |
10.1111/J.1365-2710.2003.00542.X
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| (P698) |
14748902
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