title: An IVUS look for impossible chronic total occlusions.
authors.forename: Jorge A
authors.initials: JA
authors.lastname: Belardi
mesh_terms: D015906:Angioplasty, Balloon, Coronary; D002908:Chronic Disease; D017023:Coronary Angiography; D054059:Coronary Occlusion / Q000000981:diagnostic imaging* / Q000628:therapy*; D006801:Humans; D011237:Predictive Value of Tests; D016896:Treatment Outcome; D018084:Ultrasonography, Interventional