A randomized controlled trial of the effect of fluid extract of Echinacea purpurea on the incidence and severity of colds and respiratory infections (Q77407509)
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scientific article published on 01 February 1999
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A randomized controlled trial of the effect of fluid extract of Echinacea purpurea on the incidence and severity of colds and respiratory infections |
scientific article published on 01 February 1999 |
Statements
A randomized controlled trial of the effect of fluid extract of Echinacea purpurea on the incidence and severity of colds and respiratory infections (English)
Echinacea purpurea
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W Grimm
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