| 
       
                  LETTER TO THE EDITOR
                 
                
                OPEN ACCESS ‑ PEER‑REVIEWED
                 
       | 
  
        Circulatory Assistance: the Challenges of Technological Incorporation in BrazilDOI: 10.5935/1678-9741.20150091 Braz J Cardiovasc Surg. 2015;30(6):676-677 Indicate this article |