Dr Haseeb Ul Haq, et al. “A Comparison of General Anesthesia and Segmental Thoracic SpinalAnesthesia Regarding Hemodynamic and Respiratory Stability Forlaparoscopic Cholecystectomy”. IAR Journal of Medicine and Surgery Research, vol. 3, no. 6, Dec. 2022, pp. 1-6, https://doi.org/10.47310/iarjmsr.2022.V03i06.01.