Fig. 5From: Oxidative-antioxidative status and hepatic and renal factors following melatonin administration in castrated and intact dogsChanges of serum protein (Albumin and total protein) concentrations (Mean ± SEM) in the control, melatonin, castrated and castrated+melatonin groups during the one-month study. The mean concentrations were compared with one-way and two-way repeated-measures analysis of variance (ANOVA) and Tukey’s multiple comparisons testsBack to article page