Intake and expenditure of calories by the elderly.
D000368:Aged; D000369:Aged, 80 and over; D004032:Diet; D002149:Energy Intake; D005247:Feeding Behavior; D005853:Geriatrics; D005102:Health Expenditures; D006801:Humans; D015596:Nutrition Assessment; D052756:Nutritional Sciences; D009752:Nutritional Status
GERIATRICS/nutrition and diet; NUTRITION/in old age