Engin, M. C. ., Toy, S., & Cenk Turgut, M. (2022). A comparison of preoperative and postoperative anxiety levels affecting preoperative and postoperative processes of orthopedics patients. Annals of Medical Research, 29(6), 580–584. Retrieved from http://www.annalsmedres.org/index.php/aomr/article/view/4131