PSO lessons don't come easy or cheap.
Weissenstein
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D000368:Aged; D001291:Attitude of Health Personnel; D014487:Centers for Medicare and Medicaid Services, U.S.; D019058:Community Networks / Q000191:economics / Q000458:organization & administration*; D003284:Contract Services / Q000191:economics / Q000458:organization & administration; D006801:Humans; D007407:Interviews as Topic; D006278:Medicare / Q000458:organization & administration*; D010865:Pilot Projects; D015397:Program Evaluation; D014481:United States