Randomized Controlled Trial
Lidocaine Patch (5%) in Treatment of Persistent Inguinal Postherniorrhaphy Pain: A Randomized, Double-blind, Placebo-controlled, Crossover Trial.
Anesthesiology. 2013 Dec 1;119(6):1444-52.
Randomized Controlled Trial
Immediate analgesic effect of 8% lidocaine applied to the oral mucosa in patients with trigeminal neuralgia.
Pain Med. 2014 May 1; 15 (5): 826-31.
Randomized Controlled Trial
Ultrasound-guided ilioinguinal/iliohypogastric nerve blocks for persistent inguinal postherniorrhaphy pain: a randomized, double-blind, placebo-controlled, crossover trial.
Anesth. Analg.. 2012 Jun 1;114(6):1323-9.