Links[1] https://www.ctsnet.org/user/login?destination=user/534409 [2] https://www.ctsnet.org/print/home/chailf [3] https://www.ctsnet.org/article/single-port-sympathectomy-refractory-ventricular-tachycardia [4] https://www.ctsnet.org/articles/chailf [5] https://www.ctsnet.org/society/ctsnet