title: [Demonstration of bacterial serum antibodies in chronic bronchitis].
mesh_terms: D000906:Antibodies / Q000097:blood*; D001991:Bronchitis / Q000276:immunology*; D002908:Chronic Disease; D004926:Escherichia coli / Q000276:immunology; D006386:Hemagglutination Tests; D006801:Humans; D013183:Sputum / Q000382:microbiology*
chemical_list: D000906:Antibodies
vernacular_title: Nachweis bakterieller Serumantiköper bei chronischer Bronchitis.