title: Balloon mitral valvuloplasty: double vs single transseptal puncture.
authors.forename: T O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D001021:Aortic Valve; D006328:Cardiac Catheterization / Q000379:methods*; D002404:Catheterization / Q000379:methods*; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008946:Mitral Valve Stenosis / Q000628:therapy*; D011183:Postoperative Complications / Q000628:therapy