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. Author manuscript; available in PMC: 2011 Jul 25.
Published in final edited form as: Eur J Pharmacol. 2010 Apr 28;638(1-3):61–64. doi: 10.1016/j.ejphar.2010.04.020

Fig 1. Topical lidocaine and opioid analagesia.

Fig 1

Groups of mice (n=20) received topical lidocaine (0.9-7.2 mM), morphine (1.5-20 mM), methadone (2.6-20 mM) or meperidine (0.4- 15 mM) and were examined for analgesia using the radiant heat tailflick assay, as described in Methods.