IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-6-42390 Original Research Paper Perfusion Index Derived From A Pulse Oximeter Can Predict The Incidence Of Hypotension Following Spinal Anaesthesia In Lower Segment Caesarean Section: A Prospective, Double Blind, Observational Study Devendra Verma Dr. Dr Aditi Maurya Dr. Dr Hemraj Tungria Dr. June 2022 11 6 01 02