title: [Echinacea spp. (coneflower) and upper respiratory tract infections].
authors.affiliation: Klinisk farmakologisk avdeling, Universitetssykehuset Nord-Norge, Tromsø, Norway. guttorm.raknes@unn.no
authors.forename: Guttorm
authors.initials: G
authors.lastname: Raknes
authors.forename: Lars
authors.initials: L
authors.lastname: Småbrekke
mesh_terms: D020900:Echinacea / Q000009:adverse effects / Q000737:chemistry; D006801:Humans; D010936:Plant Extracts / Q000009:adverse effects / Q000627:therapeutic use*; D012141:Respiratory Tract Infections / Q000188:drug therapy*
chemical_list: D010936:Plant Extracts