Kalogianni, Antonia. “Anxiety Control As a Means of Preventing the Mortality and Morbidity of Patients Undergoing Cardiac Surgery”. Health & Research Journal 2, no. 3 (February 13, 2019): 159–162. Accessed December 27, 2024. https://ejournals.epublishing.ekt.gr/index.php/HealthResJ/article/view/19701.