Nguyen Thi, H., T. Nguyen Tran, and C. Vu Thy. “Announcement and Some Related Factors in People With Open Heart Surgery at Hanoi Heart Institute in 2023”. The Vietnam Journal of Cardiovascular and Thoracic Surgery, vol. 41, Apr. 2023, pp. 5-11, doi:10.47972/vjcts.v41i.860.