title: Another CTO conundrum: important questions remain.
authors.affiliation: Cardiothoracic Centre, Liverpool, United Kingdom.
authors.forename: David R
authors.initials: DR
authors.lastname: Ramsdale
authors.forename: Shahid
authors.initials: S
authors.lastname: Aziz
mesh_terms: D015906:Angioplasty, Balloon, Coronary; D002908:Chronic Disease; D003327:Coronary Disease / Q000150:complications*; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications* / Q000628:therapy*; D011379:Prognosis