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Plasma concentrations of creatinine, urea, and nitric oxide synthase (NOS) in rats under different hemorrhage shock treatments. * = p ≤ 0.05 as determined from an ANOVA; Group I consisted of control rats that had been cannulated but not hemorrhaged. Half of these rats also received aminoguanidine (AG). Group II consisted of rats that had been hemorrhaged. Group III consisted of rats that had been hemorrhaged and then administered AG.
