Clinical trial claims instructions issued.
D000368:Aged; D014487:Centers for Medicare and Medicaid Services, U.S.; D002986:Clinical Trials as Topic / Q000191:economics*; D017408:Guidelines as Topic; D006279:Health Maintenance Organizations / Q000191:economics*; D006801:Humans; D007345:Insurance Claim Review / Q000592:standards*; D020398:Medicare Part C / Q000331:legislation & jurisprudence*; D014481:United States