title: [Nonspecific protection factors in chronic bronchitis].
mesh_terms: D000328:Adult; D001991:Bronchitis / Q000276:immunology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007113:Immunity, Innate; D008297:Male; D009113:Muramidase / Q000097:blood; D010587:Phagocytosis
chemical_list: D009113:Muramidase
vernacular_title: Nespetsificheskie faktory zashchity v zavisimosti ot techeniia khronicheskogo bronkhita.