title: [Current status and challenges of percutaneous coronary intervention for chronic total occlusions].
authors.forename: Ya-ling
authors.initials: YL
authors.lastname: Han
mesh_terms: D015906:Angioplasty, Balloon, Coronary; D002908:Chronic Disease; D054059:Coronary Occlusion / Q000628:therapy*; D006801:Humans