title: A randomized controlled trial of the therapeutic effect of vitamin C in the common cold.
mesh_terms: D001205:Ascorbic Acid / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003139:Common Cold / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D012907:Smoking
chemical_list: D001205:Ascorbic Acid