Sodium and chlorine concentrations in mixed saliva of healthy and cystic fibrosis children

Sodium and chlorine concentrations in mixed saliva were simultaneously measured by neutron activation analysis in nine normal children and in nine patients with cystic fibrosis. Sodium levels showed a significant difference (P < 0.01) between patients and controls. The concentrations of chlorine was similar in both the control and the cystic fibrosis groups.