Efficacy of a standardized echinacea preparation (Echinilin(TM)) for the treatment of the common cold: a randomized, double-blind, placebo-controlled trial.
Goel, V. PhD *; Lovlin, R. PhD *; Barton, R. PhD +; Lyon, M. R. MD ++; Bauer, R. PhD [S]; Lee, T. D. G. PhD [P]; Basu, T. K. PhD *
Journal of Clinical Pharmacy & Therapeutics.
29(1):75-83, February 2004.
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