B. KOSGI, R. HATTI, and P. P. BORALKAR, “EVALUATION OF EFFECTIVENESS OF PULSE OXIMETER PERFUSION INDEX OVER ANAL SPHINCTER TONE AS AN ASSESSMENT TOOL IN PREDICTING SUCCESSFUL CAUDAL BLOCK IN PEDIATRIC PATIENTS-A PROSPECTIVE OBSERVATIONAL STUDY”, Int J Curr Pharm Sci, vol. 17, no. 1, pp. 76–78, Jan. 2025.