| 
       
                  LETTERS TO THE EDITOR
                 
                
                OPEN ACCESS ‑ PEER‑REVIEWED
                 
       | 
  
| 
         DOI: 10.1590/S0102-76382001000400011 Braz J Cardiovasc Surg. 2001;16(4):387-388 Indicate this article | 
  
| 
       
                  LETTERS TO THE EDITOR
                 
                
                OPEN ACCESS ‑ PEER‑REVIEWED
                 
       | 
  
| 
         Samuel Eduardo DOI: 10.1590/S0102-76382001000400011 Braz J Cardiovasc Surg. 2001;16(4):387-388 Indicate this article |