Table 1. Mean Diameters (in millimeters) of the Intraplantarly Carrageenan-injected Hind Paw in the Saline- or Fentanyl-treated Groups of Rats
Results are expressed as mean ± SD (n = 8 in each group).
*P < 0.05 compared to the basal value of the considered group (one-way analysis of variance);
†P < 0.05 compared to the corresponding value of the saline-treated rats (Newman-Keuls test).