A, Samsudin, Yahya N, Wan Mat WR, Masdar A, Liu CY, and Izaham A. “Listening to Islamic Praises (Dzikr) Is More Effective in Reducing Perioperative Anxiety Levels When Compared to Nature-Based Sounds in Muslim Patients Undergoing Surgery Under Regional Anaesthesia”. IIUM Medical Journal Malaysia 18, no. 3 (December 1, 2019). Accessed April 27, 2024. https://journals.iium.edu.my/kom/index.php/imjm/article/view/191.