Links[1] https://www.ctsnet.org/user/login?destination=user/533920 [2] https://www.ctsnet.org/print/home/rc8756 [3] https://www.ctsnet.org/article/spontaneously-closed-vsd-presenting-iatrogenic-gerbodie-defect [4] https://www.ctsnet.org/articles/rc8756 [5] https://www.ctsnet.org/society/ctsnet