Khalid, Asma, Samina Kausar, Ayesha Sadiqa, Asma Abid, and Sumera Jabeen. “Relevance of Preoperative Pain Education To The Cardiac Patients on Their Response To Postoperative Pain Therapy: Preoperative Pain Education to the Cardiac Patients”. Pakistan BioMedical Journal 5, no. 2 (February 28, 2022): 147–151. Accessed April 18, 2024. https://www.pakistanbmj.com/journal/index.php/pbmj/article/view/248.