title: Single vs double transseptal puncture for balloon mitral valvuloplasty...there is always a better way!
authors.forename: J P
authors.initials: JP
authors.lastname: Cheatham
mesh_terms: D001021:Aortic Valve / Q000601:surgery*; D002404:Catheterization / Q000295:instrumentation*; D006346:Heart Septum / Q000000981:diagnostic imaging; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D011859:Radiography