Foot pain in later life. Some psychological correlates.
D000368:Aged; D000375:Aging; D005534:Foot Diseases / Q000191:economics / Q000523:psychology*; D006801:Humans; D007349:Insurance, Health, Reimbursement; D006278:Medicare; D010146:Pain / Q000209:etiology* / Q000523:psychology; D011032:Podiatry / Q000191:economics; D014481:United States