title: Benefit of echinacea for the prevention and treatment of the common cold?
authors.forename: Andreas
authors.initials: A
authors.lastname: von Maxen
authors.forename: Peter S
authors.initials: PS
authors.lastname: Schoenhoefer
mesh_terms: D003139:Common Cold / Q000188:drug therapy* / Q000517:prevention & control; D020900:Echinacea / Q000737:chemistry*; D006801:Humans; D015201:Meta-Analysis as Topic; D010936:Plant Extracts / Q000737:chemistry / Q000627:therapeutic use*
chemical_list: D010936:Plant Extracts