Links
[1] https://www.ctsnet.org/user/login?destination=user/534325
[2] https://www.ctsnet.org/print/home/mohamed-ali-tawfeek
[3] https://www.ctsnet.org/article/practical-safeguards-repair-sinus-venosus-asd-papvd%E2%80%94-warden-procedure
[4] https://www.ctsnet.org/articles/Mohamed%20Ali%20Tawfeek
[5] https://www.ctsnet.org/society/ctsnet