title: DRGs: their impact on hospital purchasing and materials management.
mesh_terms: D003365:Costs and Cost Analysis; D003953:Diagnosis-Related Groups; D008421:Materials Management, Hospital / Q000191:economics*; D011445:Prospective Payment System; D011682:Purchasing, Hospital / Q000191:economics*; D012051:Reimbursement Mechanisms; D014481:United States