Agency information collection activities: proposed collection; comment request--HCFA.
D014487:Centers for Medicare and Medicaid Services, U.S.; D003625:Data Collection / Q000331:legislation & jurisprudence; D006699:Home Care Services / Q000191:economics*; D006278:Medicare / Q000331:legislation & jurisprudence*; D010102:Oxygen Inhalation Therapy / Q000191:economics / Q000592:standards*; D014481:United States