[Echinacea spp. (coneflower) and upper respiratory tract infections].
Raknes
Guttorm
G
Klinisk farmakologisk avdeling, Universitetssykehuset Nord-Norge, Tromsø, Norway. guttorm.raknes@unn.no
Småbrekke
Lars
L
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*
D010936:Plant Extracts