title: Concerns over safety of drug-eluting stents.
mesh_terms: D023903:Coronary Restenosis / Q000517:prevention & control*; D003328:Coronary Thrombosis / Q000209:etiology*; D018795:Device Approval; D016503:Drug Delivery Systems / Q000009:adverse effects*; D006801:Humans; D012306:Risk; D012449:Safety; D015607:Stents / Q000009:adverse effects*; D014481:United States; D014486:United States Food and Drug Administration