Kijowska, Magdalena, et al. “OPIOID-FREE AND OPIOID-SPARING ANESTHESIA IN MODERN PERIOPERATIVE CARE — BENEFITS, LIMITATIONS, AND CLINICAL APPLICATIONS”. International Journal of Innovative Technologies in Social Science, vol. 4, no. 3(51), Sept. 2026, https://doi.org/10.31435/ijitss.3(51).2026.6104.