Figure 2. Effects of retrograde injection of rCLCA siRNA (N = 11) or its negative control (N = 9) on electrolyte concentrations in final saliva collected from a rat submandibular duct on the injection side (inj) or the non-injection side (no inj). Means ± SEM. *P < 0.05, ***P < 0.001 (ANOVA followed by a post hoc t test).