Heczko P B, Gutkowski P, Pulverer G
Z Erkr Atmungsorgane. 1977 Feb;147(2):168-70.
The amount of immunoglobulins A and G and lysozyme in bronchial secretions of children with pneumonia was higher than in ones of bronchitis and infected asthma patients. Immunoglobulins levels increased also with the age of patients.