Parveen, Salma, Naveed Ali Khan, Hira Fatima Waseem, Maryam Moula Bakhsh, and Atif Aziz. “Frequency Of Anxiety in Pre-Operative Surgical Patients in the Tertiary Care Hospitals, Karachi”. Journal of Health and Rehabilitation Research 4, no. 1 (March 24, 2024): 1587–1596. Accessed September 8, 2024. https://jhrlmc.com/index.php/home/article/view/639.