title: Stent competition helps prices.
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D003625:Data Collection; D004465:Economic Competition; D005102:Health Expenditures / Q000639:trends; D006278:Medicare; D012051:Reimbursement Mechanisms; D020123:Sirolimus / Q000008:administration & dosage; D015607:Stents / Q000191:economics*; D014481:United States
chemical_list: D020123:Sirolimus