title: [Purple coneflower as antiviral agent].
authors.affiliation: .
authors.forename: Ralf
authors.initials: R
authors.lastname: Schlenger
mesh_terms: D000818:Animals; D020900:Echinacea; D006801:Humans; D007121:Immunocompetence / Q000187:drug effects / Q000276:immunology; D007155:Immunologic Factors / Q000627:therapeutic use*; D008262:Macrophage Activation / Q000187:drug effects / Q000276:immunology; D008517:Phytotherapy; D010936:Plant Extracts / Q000627:therapeutic use*; D012141:Respiratory Tract Infections / Q000188:drug therapy* / Q000276:immunology* / Q000517:prevention & control
chemical_list: D007155:Immunologic Factors; D010936:Plant Extracts