Nguyen, Thi Thanh Thuy, Sinh Hien Nguyen, Huu Vinh Tran, and Thanh Hung Ngo. “The Effectiveness of Music Therapy in Reducing Stress and Anxiety in Patients Undergoing Cardiac Surgery at Hanoi Heart Hospital”. The Vietnam Journal of Cardiovascular and Thoracic Surgery 52 (August 30, 2025): 7 - 15. Accessed June 11, 2026. https://vjcts.vn/index.php/vjcts/article/view/1487.