A, S. , N, Y. , WR, W.M. , A, M. , CY, L. and A, I. 2019. 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, 3 (Dec. 2019). DOI:https://doi.org/10.31436/imjm.v18i3.191.