Echinacea for the common cold.
D002214:Capsules; D002648:Child; D003139:Common Cold / Q000628:therapy*; D020900:Echinacea; D006801:Humans; D008517:Phytotherapy / Q000379:methods*; D028321:Plant Preparations / Q000627:therapeutic use
D002214:Capsules; D028321:Plant Preparations