2Guy J, Hindman B J, Baker KZ, et al. Comparison of remifentanil and fentanyl in patients undergoing craniotomy for supratentorial apace - occupying lesion. Anesthesiology, 1997 ; 86 (3) :514 - 524.
3Guy J, Warner DS, Kirchner J, et al. Emergence/recovery profile of neurosurgical patients following remifentanil/N2O anesthesia. Anesth Analg, 1996; 82 : 151 - 159.
4Mannnen P, Balkim, Lukitto K, et al. Patient satisfaction with awake craniotomy for tumor surgery: A comparison of remifentanil and fentanyl in conjunction with propofol. Anesthesia Analgesia, 2006 ; 102 ( 1 ) : 237.