Randomized Controlled Trial
Bispectral index-guided administration of anesthesia for transsphenoidal resection of pituitary tumors: a comparison of 3 anesthetic techniques.
J Neurosurg Anesthesiol. 2009 Jan 1;21(1):10-5.
Randomized Controlled Trial
[Low-dose hypobaric spinal anesthesia for anorectal surgery in jackknife position: levobupivacaine-fentanyl compared to lidocaine-fentanyl].
Rev Esp Anestesiol Reanim. 2010 Nov 1;57(9):565-70.
Randomized Controlled Trial
Levobupivacaine 0.75% vs. lidocaine 4% for topical anaesthesia: a clinical comparison in cataract surgery.
Eur J Anaesthesiol. 2007 May 1;24(5):438-40.