title: Summaries for patients. Treatment of colds with a capsule form of the herb echinacea.
mesh_terms: D000293:Adolescent; D000328:Adult; D003139:Common Cold / Q000188:drug therapy*; D004311:Double-Blind Method; D004334:Drug Administration Schedule; D020900:Echinacea; D005260:Female; D006801:Humans; D008297:Male; D008517:Phytotherapy; D010919:Placebos; D028321:Plant Preparations / Q000627:therapeutic use*; D018517:Plant Roots; D012044:Regression Analysis; D016896:Treatment Outcome
chemical_list: D010919:Placebos; D028321:Plant Preparations