Brazilian Journal of Cardiovascular Surgery, Vol 30, Iss 2, Pp 164-172 (2015) Brazilian Journal of Cardiovascular Surgery v.30 n.2 2015 Brazilian Journal of Cardiovascular Surgery Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV) instacron:SBCCV Revista Brasileira de Cirurgia Cardiovascular : órgão oficial da Sociedade Brasileira de Cirurgia Cardiovascular Brazilian Journal of Cardiovascular Surgery, Volume: 30, Issue: 2, Pages: 164-172, Published: APR 2015