Old people's nutrition.
D000368:Aged; D001205:Ascorbic Acid / Q000097:blood; D004032:Diet; D004739:England; D005260:Female; D005853:Geriatrics; D006801:Humans; D008297:Male; D009748:Nutrition Disorders / Q000453:epidemiology; D009747:Nutritional Physiological Phenomena; D012606:Scotland; D014807:Vitamin D / Q000097:blood
D014807:Vitamin D; D001205:Ascorbic Acid