Cepelak, Ivana Enzyme catalytic activities in chronic obstructive pulmonary disease. [electronic resource] - Archives of medical research Jul 2006 - 624-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0188-4409 Standard No.: 10.1016/j.arcmed.2006.01.004 doi Subjects--Topical Terms: AdultAgedAged, 80 and overBiomarkers--bloodBone RemodelingEnzymes--bloodHumansHypoxia--bloodInflammation--bloodMaleMiddle AgedOxidative StressPredictive Value of TestsPulmonary Disease, Chronic Obstructive--bloodSmoking--blood