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Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. May 7, 2006; 12(17): 2781-2784
Published online May 7, 2006. doi: 10.3748/wjg.v12.i17.2781
Figure 3
Figure 3 Effect of morphine on AWR to CRD. The pain thresholds of the rats that received 2 mg/kg, 4 mg/kg, 8 mg/kg of morphine respectively were significantly higher than the basal values (P < 0.01). bP < 0.01 vs the basal values.