Dung, Van Hung, Hoang Anh Khoi, Nguyen Thi Nhu Ha, and Nguyen Tien Hao. 2021. “Outcomes of Heart Valve Surgery During Pregnancy”. The Vietnam Journal of Cardiovascular and Thoracic Surgery 34 (October):55-61. https://doi.org/10.47972/vjcts.v34i.616.