Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleSummaries for patients. Echinacea for the common cold.PublicationAnnals of Internal Medicine, 2010, Vol 153, Issue 12, pI-43ISSN0003-4819Publication typeArticleDOI10.7326/0003-4819-153-12-201012210-00001