Dr Naveen Kumar C.P, and Dr. Lingesh K. S. “CLINICAL EVALUATION OF PERFUSION INDEX (PI) AS A PREDICTOR OF POST-SPINAL HYPOTENSION IN LOWER SEGMENT CESAREAN SECTION (LSCS)”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 32, no. 6, July 2025, pp. 1203-5, https://doi.org/10.53555/ychrwa97.