Fig. 1From: Nalbuphine alleviates inflammation by down-regulating NF-κB in an acute inflammatory visceral pain rat modelThe effects of acetic acid, nalbuphine, and PDTC on the writhing test and paw withdrawal threshold (PWT). a The number of writhes for 30 minutes in each group. b Mechanical paw withdraw threshold in each group (data were the mean ± SEM, n = 12). *p < 0.05, AA vs control; #p < 0.05, AA+nalbuphine vs AA, &p < 0.05; AA+PDTC vs AABack to article page