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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Eur J Pain. 2012 Feb;16(2):170–181. doi: 10.1016/j.ejpain.2011.07.002

Fig. 1.

Fig. 1

Flow chart of the experimental design. On day one, time spent by the rats in each of two distinct compartments was recorded during a 10-min preconditioning period. On day two, each rat freely explored the first compartment for 30 min before a CFA injection and the second compartment for 30 min after CFA. On day three, the time spent in each compartment during a 10-min post-conditioning test was recorded again.

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