Aspects of malnutrition in the elderly.
D000368:Aged; D000747:Anemia, Hypochromic / Q000453:epidemiology; D001206:Ascorbic Acid Deficiency / Q000453:epidemiology; D005494:Folic Acid Deficiency / Q000453:epidemiology; D006801:Humans; D009748:Nutrition Disorders / Q000453:epidemiology* / Q000209:etiology