Nishiyama, Tomoki. “Effects of Sedation With Midazolam or Propofol Infusion on Stress Hormone and Heart Rate Variability in Spinal Anesthesia”. Anaesthesia, Pain & Intensive Care (January 24, 2019): 459-464. Accessed November 22, 2024. https://apicareonline.com/index.php/APIC/article/view/252.