Khaydarov, F.Sh., et al. “Evaluation of the Efficacy and Safety of Spinal Anesthesia Based on Hyperbaric Bupivacaine Combined With Dexmedetomidine and Ketamine in Gynecological Laparoscopic Surgery”. Geoanesthesia, Sept. 2026, pp. 8-9, doi:10.52340/geoanesthesia.2026.09.05.