DRGs and the clinical investigator: federal perspective.
D000368:Aged; D003953:Diagnosis-Related Groups; D006801:Humans; D013677:Medical Laboratory Science / Q000191:economics; D006278:Medicare / Q000191:economics*; D011445:Prospective Payment System; D012051:Reimbursement Mechanisms; D012109:Research Support as Topic / Q000191:economics*; D014481:United States