Links
[1] https://www.ctsnet.org/user/login?destination=user/526550
[2] https://www.ctsnet.org/print/home/hugoissa
[3] https://www.ctsnet.org/article/how-i-do-it-avr-patch-enlargement-aortic-root-and-ascending-aortoplasty
[4] https://www.ctsnet.org/articles/hugo.issa
[5] https://www.ctsnet.org/society/ctsnet