Figure 6: Concentration of plasma atrial natriuretic peptide (ANP) (A) and plasma vasopressin (AVP) (B) in control dogs, and dogs with RF, CHF, and CHF and RF in combination. *P<0.05 vs. control, **P<0.01 vs. control, +P<0.05 vs. RF, ++P<0.01 vs. CHF + RF. There were 5 dogs in each group.