Vocalization assessed by electrolaryngography is unaffected by topical lidocaine anesthesia: a prospective, crossover, randomized, double-blind placebo-controlled study.
Maxwell MJ, English JD, Moppett IK, McGlashan JA, Norris AM.
Anesth Analg. 2012 Apr;114(4):785-90. doi: 10.1213/ANE.0b013e3182455b71. Epub 2012 Feb 7.
PMID:22314690
Electrolaryngography in near-total laryngectomy with myo-mucosal valved neoglottis.