title: Discussion.
mesh_terms: D006348:Cardiac Surgical Procedures / Q000639:trends*; D005260:Female; D006801:Humans; D008297:Male; D010043:Outcome and Process Assessment, Health Care / Q000639:trends*; D010818:Practice Patterns, Physicians' / Q000639:trends*; D013771:Tetralogy of Fallot / Q000601:surgery*