“Use of Pulse Oximeter Perfusion Index to Predict the Success of Supraclavicular Brachial Plexus Block in Various Upperlimb Surgeries” (2025) Annals of Medicine and Medical Sciences, pp. 988–991. Available at: https://ammspub.com/index.php/amms/article/view/313 (Accessed: 7 December 2025).