Kannan, Santhana, Subash Sivasubramaniam, and Sudhakar Marri. “USG for Upper Limb Peripheral Nerve Blocks”. Anaesthesia, Pain & Intensive Care (January 27, 2019): 341-347. Accessed May 19, 2024. https://www.apicareonline.com/index.php/APIC/article/view/365.