Bednarski, W [Some biochemical parameters of sputum from patients with chronic bronchitis depending on the presence of bronchial spasm]. [electronic resource] - Pneumonologia polska - 1015-9 p. digital Publication Type: English Abstract; Journal Article ISSN: 0376-4761 Subjects--Topical Terms: AdultAgedBronchial Spasm--metabolismBronchitis--metabolismChronic DiseaseDNA--analysisFemaleHumansL-Lactate Dehydrogenase--analysisMaleMiddle AgedProteins--analysisSialic Acids--analysisSputum--analysis