AU - Karataş, Suat AU - Atlas, Ahmet AU - Şengel, Abdulhakim AU - Altay, Nuray AU - Büyükfırat, Evren TI - Comparison of Perfusion Index (PI), Infrared Spectrometry (NIRS), and Noninvasive Total Hemoglobin Monitoring (SpHb) Methods for the Evaluation of Block Quality in Lower Extremity Surgery with Combined Lumbar Plexus and Sciatic Nerve Block PT - Journal Article DP - 2026 TA - JARSS PG - 21-28 VI - 34 IP - 1 AID - 10.54875/jarss.2026.74507 [doi] 4100 - https://dx.doi.org/10.54875/jarss.2026.74507 SO - Journal of Anesthesia, 2026 34(1):21