Asiri, Salihah, Jed Duff, Jane Currie, and Michelle Guilhermino. “Prevalence of Pre-Operative Anxiety Among Adult Patients Undergoing Elective Surgery: A Prospective Observational Single-Centre Study”. Journal of Perioperative Nursing 37, no. 3 (August 27, 2024): 5–12. Accessed November 21, 2025. https://journal.acorn.org.au/index.php/jpn/article/view/77.