Ineffectiveness of vitamin C in treating coryza.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001205:Ascorbic Acid / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D003139:Common Cold / Q000188:drug therapy*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D010919:Placebos
D010919:Placebos; D001205:Ascorbic Acid