We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTreatment of the common cold with unrefined echinacea. A randomized, double-blind, placebo-controlled trial.AuthorsBarrett, Bruce P; Brown, Roger L; Locken, Kristin; Maberry, Rob; Bobula, James A; D'Alessio, DonnAbstractEchinacea preparations are widely used to treat the common cold.PublicationAnnals of internal medicine, 2002, Vol 137, Issue 12, p939ISSN1539-3704Publication typeJournal ArticleDOI10.7326/0003-4819-137-12-200212170-00006