Needs of older Americans assessed by Delphi procedures.
D000368:Aged; D001290:Attitude; D004328:Drive; D004467:Economics; D004493:Education; D004651:Employment; D005260:Female; D006798:Housing; D006801:Humans; D007182:Income; D008297:Male; D008433:Mathematics; D009747:Nutritional Physiological Phenomena; D012917:Social Adjustment; D011795:Surveys and Questionnaires; D014481:United States