Nutrition in old age.
D000368:Aged; D003604:Czechoslovakia; D004032:Diet; D005247:Feeding Behavior; D005853:Geriatrics; D006801:Humans; D008136:Longevity; D008875:Middle Aged; D009748:Nutrition Disorders / Q000453:epidemiology; D009749:Nutrition Surveys; D009747:Nutritional Physiological Phenomena; D012111:Residence Characteristics; D013222:State Medicine