title: Need for additional, specific information in studies with echinacea.
authors.forename: C
authors.initials: C
authors.lastname: Dennehy
mesh_terms: D003139:Common Cold / Q000517:prevention & control*; D020900:Echinacea / Q000737:chemistry / Q000502:physiology*; D006801:Humans; D010946:Plants, Medicinal