Hosain, Suman Nazmul, Farzana Amin, and Shahnaz Ferdous. “The Anesthesia & Anesthetists of the First Open Heart Surgery of Bangladesh”. Bangladesh Heart Journal 36, no. 1 (September 20, 2021): 55–60. Accessed December 1, 2021. https://www.banglajol.info/index.php/BHJ/article/view/55518.