The variability of vitamin C in our diet.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001205:Ascorbic Acid; D001206:Ascorbic Acid Deficiency / Q000453:epidemiology; D002648:Child; D004032:Diet; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007182:Income; D008297:Male; D008875:Middle Aged; D009749:Nutrition Surveys; D010507:Periodicity; D012923:Social Class; D006113:United Kingdom
D001205:Ascorbic Acid