Common cold symptomatology and vitamin C.
D001205:Ascorbic Acid / Q000008:administration & dosage / Q000627:therapeutic use*; D002648:Child; D002986:Clinical Trials as Topic; D003139:Common Cold / Q000188:drug therapy*; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D008297:Male; D010919:Placebos; D012107:Research Design; D012737:Sex Factors; D013223:Statistics as Topic; D013997:Time Factors
D010919:Placebos; D001205:Ascorbic Acid