%0 Journal Article %T Challenging surgical management of failed freestyle stentless porcine valve: two case reports %A Patel, Parth M. %A Chen, Edward P. %J Journal of Visualized Surgery %D 2021 %B 2021 %9 %! Challenging surgical management of failed freestyle stentless porcine valve: two case reports %K %X %U https://jovs.amegroups.org/article/view/64405 %V 8 %P %@ 2221-2965