title: Chronic total occlusions--a stiff challenge requiring a major breakthrough: is there light at the end of the tunnel?
authors.affiliation: The Cardiothoracic Centre, Liverpool, UK.
authors.forename: S
authors.initials: S
authors.lastname: Aziz
authors.forename: D R
authors.initials: DR
authors.lastname: Ramsdale
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000295:instrumentation / Q000379:methods; D002908:Chronic Disease; D023921:Coronary Stenosis / Q000209:etiology / Q000473:pathology / Q000628:therapy*; D004867:Equipment Design; D006801:Humans; D016896:Treatment Outcome; D014464:Ultrasonic Therapy / Q000379:methods; D014654:Vascular Patency; D018487:Ventricular Dysfunction, Left / Q000209:etiology / Q000628:therapy