[ON THE ENERGY EXPENDITURE OF AGED SUBJECTS ENGAGED IN AGRICULTURAL WORK].
D000383:Agriculture; D004734:Energy Metabolism; D005853:Geriatrics; D005858:Germany; D005860:Germany, West; D006801:Humans; D008660:Metabolism; D009749:Nutrition Surveys
AGRICULTURE; GERIATRICS; GERMANY, WEST; METABOLISM; NUTRITION SURVEYS