1. Lidocaine Toxicity During Frequent Viscous Lidocaine Use for Painful Tongue Ulcer 
Soichiro Yamashita, MD, Shigehito Sato, MD, Yoshihiro Kakiuchi, PhD, Masayuki Miyabe, MD, Hiroshi Yamaguchi, MD 
Journal of Pain and Symptom Management 
Volume 24, Issue 5, Pages (November 2002)
DOI: /S (02)

2. Fig. 1
The duration of symptoms related to lidocaine toxicity and the serum concentration of lidocaine, MEGX, and GX. A: start of the diluted preparation containing a half-dose lidocaine of the commercially available viscous lidocaine, B: addition of Elase® solution containing fibrinolysin and deoxyribonuclease to the lidocaine preparation.
Journal of Pain and Symptom Management  , DOI: ( /S (02) )