title: A method of dividing intracardiac structures without opening the heart chambers.
authors.forename: R S
authors.initials: RS
authors.lastname: PENTON
authors.forename: O C
authors.initials: OC
authors.lastname: BRANTIGAN
mesh_terms: D006321:Heart; D006351:Heart Valves / Q000601:surgery*; D006801:Humans; D008943:Mitral Valve
keywords: HEART VALVES AND VALVULOTOMY; MITRAL VALVE