title: [Use of a balloon catheter as an aid to pulmonary valvectomy].
mesh_terms: D002404:Catheterization / Q000295:instrumentation*; D006801:Humans; D008722:Methods; D011664:Pulmonary Valve / Q000601:surgery*; D013523:Surgical Equipment; D013771:Tetralogy of Fallot / Q000601:surgery