Common cold and vitamin C.
D000367:Age Factors; D001205:Ascorbic Acid / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism / Q000627:therapeutic use*; D002648:Child; D002986:Clinical Trials as Topic; D003139:Common Cold / Q000188:drug therapy* / Q000378:metabolism; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007962:Leukocytes / Q000378:metabolism; D008297:Male; D010919:Placebos; D012737:Sex Factors
D010919:Placebos; D001205:Ascorbic Acid