Randomized Controlled Trial
Comparison of the effects of propofol and midazolam on the cardiovascular autonomic nervous system during combined spinal and epidural anesthesia.
J Clin Anesth. 2005 Feb 1;17(1):36-43.
Article
Poincaré plot indexes of heart rate variability detect dynamic autonomic modulation during general anesthesia induction.
Acta Anaesthesiol Taiwan. 2012 Mar 1;50(1):12-8.
Randomized Controlled Trial
Randomized double-blind comparison of ketamine-propofol, fentanyl-propofol and propofol-saline on haemodynamics and laryngeal mask airway insertion conditions.
Anaesth Intensive Care. 2005 Apr 1;33(2):223-8.