Parveen, Salma, Naveed Ali Khan, Hira Fatima Waseem, Maryam Moula Bakhsh, and Atif Aziz. 2024. “Frequency Of Anxiety in Pre-Operative Surgical Patients in the Tertiary Care Hospitals, Karachi”. Journal of Health and Rehabilitation Research 4 (1):1587-96. https://doi.org/10.61919/jhrr.v4i1.639.