LETTERS
OPEN ACCESS ‑ PEER‑REVIEWED
|
Letters to the editorDOI: 10.5935/1678-9741.20110067 Braz J Cardiovasc Surg. 2011;26(4):681-681 |
LETTERS
OPEN ACCESS ‑ PEER‑REVIEWED
|
Letters to the editorHelcio Giffhorn DOI: 10.5935/1678-9741.20110067 Braz J Cardiovasc Surg. 2011;26(4):681-681 |