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. Author manuscript; available in PMC: 2009 Jun 8.
Published in final edited form as: Anesth Analg. 2007 Oct;105(4):1020–contents. doi: 10.1213/01.ane.0000280483.17854.56

Figure 4.

Figure 4

Summary data for halothane animals. (A) Shown is the total number of action potentials (mean, standard deviation) for the 60-s period after application of the noxious mechanical stimulus at 0.8 and 1.2 minimum alveolar anesthetic concentration (MAC) for dorsal horn neurons (DHNs) and ventral horn neurons (VHNs). (B) Same as (A) but for the evoked response (total number action potentials minus spontaneous activity). *P < 0.05. Note that the VHNs, as compared to the DHNs, are more depressed by the change to 1.2 MAC.