Postoperative outcomes of cardio-thoracic surgery in post-COVID versus non-COVID patients - Single-center experience oleh Jeevesh John Thomas, Simon Philipose, Aswathy Vijayan, Yumna Pareekutty Mohammed, Murukan Padmanabhan, Antony George, Job Wilson, Grace Maria George, Jacob Abraham, G S Sunil, Bhaskar Ranganathan, Jose Chacko Periappuram