Binici, Orhan, and Evren Buyukfirat. “Comparison of Different Arm Positions and Angles With Ultrasound for Infraclavicular Block”. Annals of Medical Research 26, no. 6 (May 25, 2021): 0976–0979. Accessed May 17, 2024. http://www.annalsmedres.org/index.php/aomr/article/view/1129.