title: Percutaneous coronary intervention for variant angina: balloon vs. stent.
authors.forename: Tsung O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D000788:Angina Pectoris, Variant / Q000628:therapy*; D015906:Angioplasty, Balloon, Coronary; D019917:Blood Vessel Prosthesis Implantation; D003329:Coronary Vasospasm / Q000628:therapy; D006801:Humans; D015607:Stents