Links[1] https://www.ctsnet.org/user/login?destination=user/532690 [2] https://www.ctsnet.org/print/home/kuschnek [3] https://www.ctsnet.org/article/redo-pulmonary-vein-stenosis-correction-after-tapvr-correction [4] https://www.ctsnet.org/articles/kuschnek [5] https://www.ctsnet.org/society/ctsnet