No abstract available
MeSH terms
-
Chronic Disease
-
Female
-
Humans
-
Immunoglobulin A / analysis*
-
Immunoglobulin A, Secretory / analysis*
-
Immunoglobulins / analysis*
-
Male
-
Otitis / immunology*
-
Respiratory Tract Infections / immunology*
-
Saliva / immunology*
Substances
-
Immunoglobulin A
-
Immunoglobulin A, Secretory
-
Immunoglobulins