Links
[1] https://www.ctsnet.org/user/login?destination=user/419100
[2] https://www.ctsnet.org/print/home/aalkhaddour
[3] https://www.ctsnet.org/article/current-state-cardiothoracic-surgery-syria-interview-ahmad-al-khaddour
[4] https://www.ctsnet.org/articles/aalkhaddour
[5] https://www.ctsnet.org/society/ctsnet