Left ventricular dysfunction after mitral valve repair--the fallacy of "normal" preoperative myocardial function.
                             
                            
                            
                                
                                    
                                            
    Left ventricular dysfunction after mitral valve repair--the fallacy of "normal" preoperative myocardial function. J Thorac Cardiovasc Surg. 2014 Dec; 148(6):2752-60.