Yadav, R. et al. 2025. Pre-operative Ultrasonographic Evaluation of Inferior Vena Cava Collapsibility Index as a Predictor for Hypotension after Spinal Anaesthesia. Nepal Medical College Journal. 27, 1 (Apr. 2025), 34–38. DOI:https://doi.org/10.3126/nmcj.v27i1.77540.