Figure 3. Effects of LPS (2 mg/kg), aminoguanidine (AG; 5 or 50 mg/kg) and dexamethasone (Dx; 5 mg/kg) on gastric emptying. Mean +/- SD of 3-5 rats shown in parentheses. a; significantly different from control (C; saline-treated rats). b; significantly different from rats treated with LPS alone. c; significantly different from rats treated with LPS and 5 mg/kg aminoguanidine.