Eosinophil cationic protein concentration in saliva does not correlate with eosinophil cationic protein concentration in sputum.
Bowton DL, Seeds MC, Bass DA. Eosinophil cationic protein concentration in saliva does not correlate with eosinophil cationic protein concentration in sputum. Chest. 2003 Mar; 123(3 Suppl):372S.