title: Proceedings: Surgical treatment of atrio-ventriculat canal.
mesh_terms: D005069:Evaluation Studies as Topic; D006343:Heart Septal Defects / Q000601:surgery*; D006349:Heart Valve Diseases / Q000601:surgery; D006350:Heart Valve Prosthesis; D006801:Humans; D008943:Mitral Valve / Q000601:surgery