title: Searching for therapeutic niches for new coronary interventional devices: the unyielding nature of chronic occlusions.
authors.forename: M R
authors.initials: MR
authors.lastname: Bell
mesh_terms: D015906:Angioplasty, Balloon, Coronary; D016342:Angioplasty, Laser; D002908:Chronic Disease; D003327:Coronary Disease / Q000628:therapy*; D006801:Humans; D011183:Postoperative Complications