title: Heavily calcified coronary arteries: the bane of an interventionalist's existence.
authors.forename: Will M
authors.initials: WM
authors.lastname: Camnitz
authors.forename: Ellen C
authors.initials: EC
authors.lastname: Keeley
mesh_terms: D015906:Angioplasty, Balloon, Coronary; D017225:Atherectomy, Coronary / Q000379:methods*; D003324:Coronary Artery Disease / Q000473:pathology / Q000628:therapy*; D003331:Coronary Vessels / Q000473:pathology*; D054855:Drug-Eluting Stents; D006801:Humans