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Previous Volume 353:1971-1972 November 3, 2005 Number 18 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: The trial by Turner et al. (July 28 issue)¹ could have benefited from the inclusion of additional treatment groups with higher daily doses of echinacea. The dose equivalent of 900 mg of dried root derives from the German Commission E monograph for Echinacea pallida root, a different species from E. angustifolia.² E. angustifolia root is not officially approved and thus has no recommended dosage in Germany, owing to a lack of sufficient supporting data. The 1999 World Health Organization monograph on E. angustifolia root cites a 3-g daily dose, which is 330 percent of the dose . . . [Full Text of this Article]

This article has been cited by other articles:

• Charrois, T. L., Hrudey, J., Vohra, S. (2006). Echinacea.. Pediatr. Rev. 27: 385-387 [Full Text]