Controlled Clinical Trial
Perianal local block for stapled anopexy.
Dis. Colon Rectum. 2006 Dec 1;49(12):1914-21.
Randomized Controlled Trial
Randomized clinical trial comparing day-care open haemorrhoidectomy under local versus general anaesthesia.
Br J Surg. 2008 May 1;95(5):555-63.
Randomized Controlled Trial
General anaesthesia combined with bilateral paravertebral blockade (T11-T12-L1) vs general anaesthesia for bilateral varicocelectomy. A randomized double-blind clinical trial.
J Med Liban. 2011 Jul 1;59(3):126-30.