title: [Heart valve surgery without prior heart catheterization?].
mesh_terms: D006328:Cardiac Catheterization; D003327:Coronary Disease / Q000175:diagnosis / Q000601:surgery; D006349:Heart Valve Diseases / Q000175:diagnosis / Q000601:surgery*; D006801:Humans
vernacular_title: Herzklappenchirurgie ohne vorgängige Herzkatheteruntersuchung?