Asma Abdus Salam, Riffat Aamir, Robyna Irshad Khan, Aliya Ahmed, and Azhar Rehman. “Safety and Effectiveness of Ultrasound Guided Peripheral Nerve Blocks: Audit at a Tertiary Care Hospital”. Journal of the Pakistan Medical Association 71, no. 6 (December 29, 2021): 1623–1626. Accessed July 27, 2026. https://www.jpma.org.pk/index.php/public_html/article/view/792.