HSA/PSRO relationships.
D003219:Confidentiality / Q000331:legislation & jurisprudence*; D006307:Health Systems Agencies / Q000331:legislation & jurisprudence* / Q000458:organization & administration; D006801:Humans; D011366:Professional Review Organizations / Q000331:legislation & jurisprudence* / Q000458:organization & administration; D014481:United States