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Serum tumor necrosis factor-alpha (TNF-alpha) concentrations in rats. Vertical columns and error bars represent mean ± SD. bP < 0.001 vs BBS, NTS and BBS and NTS; aP < 0.05 vs control, colitis and NTS; cP < 0.05 vs control, colitis, BBS and BBS and NTS. BBS: Bombesin; NTS: Neurotensin.
