GÜLEÇ, H.; TUTAL, Z. B.; ŞAHAP, M.; BABAYIĞIT, M.; İNCEÖZ, H.; KURTAY, A.; HORASANLI, E. Which sedation method is appropriate for spinal anesthesia: propofol or ketamine-propofol combination. Anaesthesia, Pain & Intensive Care, p. 28-32, 26 jan. 2019.