title: New stents, hopes--and questions. After approval of a drug-coated cylinder, patients face wider options.
mesh_terms: D002317:Cardiovascular Agents / Q000008:administration & dosage*; D023903:Coronary Restenosis / Q000517:prevention & control*; D018795:Device Approval; D006801:Humans; D020123:Sirolimus / Q000008:administration & dosage*; D015607:Stents / Q000639:trends
chemical_list: D002317:Cardiovascular Agents; D020123:Sirolimus