Credentialing in carotid angiography and carotid angioplasty/stenting: experience of Mayo Clinic Rochester.
                             
                            
                            
                                
                            
                            
                                
                            
                            
                            
                                
                                    
                                            
    Brown RD, Sullivan TM. Credentialing in carotid angiography and carotid angioplasty/stenting: experience of Mayo Clinic Rochester. Semin Vasc Surg. 2005 Jun; 18(2):110-3.