Links
[1] https://neumarksurgery.com/
[2] https://www.gleneagles.com.sg/doctor/cardiothoracic-surgery/harish-mithiran-muthiah/8138be78-49bf-63ee-ab9a-ff0f00dba087
[3] https://www.ctsnet.org/user/login?destination=user/441740
[4] https://www.ctsnet.org/print/home/hmmuthiah
[5] https://www.ctsnet.org/society/ascvts
[6] https://www.ctsnet.org/society/ctsnet