Engin, Muhammed Cagatay, Serdar Toy, and Mehmet Cenk Turgut. “A Comparison of Preoperative and Postoperative Anxiety Levels Affecting Preoperative and Postoperative Processes of Orthopedics Patients”. Annals of Medical Research 29, no. 6 (June 24, 2022): 580–584. Accessed May 5, 2024. http://www.annalsmedres.org/index.php/aomr/article/view/4131.