title: Serum and parotid salivary IgA in chronic bronchitis and asthma.
mesh_terms: D000368:Aged; D001249:Asthma / Q000209:etiology / Q000276:immunology*; D001991:Bronchitis / Q000209:etiology / Q000276:immunology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D007153:Immunologic Deficiency Syndromes / Q000150:complications; D008297:Male; D008875:Middle Aged; D010306:Parotid Gland; D012463:Saliva / Q000276:immunology*; D012882:Skin Tests; D013183:Sputum
chemical_list: D007070:Immunoglobulin A