Brazilian Journal of Cardiovascular Surgery, Volume: 33, Issue: 1, Pages: 103-99, Published: FEB 2018 Brazilian Journal of Cardiovascular Surgery, Vol 33, Iss 1, Pp 99-103 Brazilian Journal of Cardiovascular Surgery v.33 n.1 2018 Brazilian Journal of Cardiovascular Surgery Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV) instacron:SBCCV