Randomized Controlled Trial
Clonidine decreases propofol requirements during anaesthesia: effect on bispectral index.
Br J Anaesth. 2001 May 1;86(5):627-32.
Randomized Controlled Trial
Nitrous oxide does not produce a clinically important sparing effect during closed-loop delivered propofol-remifentanil anaesthesia guided by the bispectral index: a randomized multicentre study.
Br J Anaesth. 2014 May 1;112(5):842-51.
Randomized Controlled Trial
Narcotrend or bispectral index monitoring during desflurane-remifentanil anesthesia: a comparison with a standard practice protocol.
Anesth. Analg. 2005 Aug 1;101(2):427-34, table of contents.