Thapa, Chitra, Gautam Ratna Bajracharya, Samyukta Acharya, and Aarati Thakur. “The Usefulness of Perfusion Index Derived from a Pulse Oximeter in Predicting Hypotension Following Spinal Anesthesia for Cesarean Section”. Nepal Medical College Journal 24, no. 4 (December 23, 2022): 289–294. Accessed November 22, 2024. https://nepjol.info./index.php/nmcj/article/view/50579.