Case management.
D000368:Aged; D002140:California; D002388:Catastrophic Illness / Q000191:economics; D003363:Cost Control; D003695:Delivery of Health Care / Q000458:organization & administration*; D006801:Humans; D008329:Managed Care Programs / Q000458:organization & administration*; D011787:Quality of Health Care; D013672:Technology / Q000191:economics; D014481:United States