Dr. Anuradha Sen, Dr. Anjum Rashid, Dr. Azma Tabassum, Dr. Shivata Sharma, Dr. Guddi Devi. PERFUSION INDEX AS AN INDICATOR OF SPINAL ANAESTHESIA INDUCED HYPOTENSION AND EFFECT. J Popl Ther Clin Pharmacol. 2025;32(7):2056-2063. doi:10.53555/5ps0vm79