Ascorbic acid and the common cold.
D000328:Adult; D001205:Ascorbic Acid / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003139:Common Cold / Q000188:drug therapy / Q000517:prevention & control*; D006801:Humans; D010919:Placebos; D013223:Statistics as Topic
D010919:Placebos; D001205:Ascorbic Acid