Links[1] http://www.heartsurgeons.com/ [2] https://www.ctsnet.org/user/login?destination=user/490881 [3] https://www.ctsnet.org/print/home/bzaku [4] https://www.ctsnet.org/society/ctsnet [5] https://www.ctsnet.org/society/ests [6] https://www.ctsnet.org/society/sts