Javed, Sadaf, Saman Waqar, Hina Sharif, Maryum Chaudhry, and Yusra Fatima Kiyani. “Assessment of Preoperative Anxiety Among Patients of Open-Heart Surgery at Cardiac Centres of Rawalpindi and Islamabad: Preoperative Anxiety Among Patients of Open-Heart Surgery”. Pakistan Journal of Health Sciences 3, no. 04 (September 30, 2022): 126–130. Accessed May 13, 2024. https://thejas.com.pk/index.php/pjhs/article/view/113.