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. Author manuscript; available in PMC: 2009 Aug 26.
Published in final edited form as: Pain. 2003 Aug;104(3):567–577. doi: 10.1016/s0304-3959(03)00114-3

Fig. 1.

Fig. 1

PWL to heat stimulus after injection of different concentrations of carrageenan into the knee (A,B) or muscle (C,D) on the ipsi- (A,C) and contralateral (B,D) sides expressed as a change from baseline values. The symbol (*) represents values significantly different from the baseline (P < 0.05, paired t-test).