Vitamins in the elderly.
D000368:Aged; D001206:Ascorbic Acid Deficiency; D001361:Avitaminosis; D004032:Diet; D005260:Female; D006801:Humans; D009749:Nutrition Surveys; D009747:Nutritional Physiological Phenomena; D012257:Riboflavin Deficiency; D012959:Socioeconomic Factors; D013832:Thiamine Deficiency; D014815:Vitamins / Q000032:analysis*
D014815:Vitamins