Reference
Melchart D, Linde K, Worku F, et al. Results of five randomised studies on the immunomodulatory activity of preparations of Echinacea. J Alt Comp Med 1995; 1: 145–59
Acknowledgements
I thank Susan Martindale of the New Zealand Ministry of Health, and Barbara Thomson of ESR for their help.
No sources of funding were used to assist in the preparation of this manuscript. The author has no conflicts of interest that are directly relevant to the content of this manuscript.
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Shaw, I. When is a Food a Medicine?. International Journal of Pharmaceutical Medicine 17, 69 (2003). https://doi.org/10.2165/00124363-200317020-00004
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DOI: https://doi.org/10.2165/00124363-200317020-00004