RT Journal Article SR Electronic T1 Correlation between immunohistochemical CuZn-SOD expression and the histopathological features in small airways of patients with severe COPD JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP P785 VO 40 IS Suppl 56 A1 Beata T. Olejnicka A1 Stefan Marklund A1 Cecilia Andersson A1 Michiko Mori A1 Andrzej Rubaj A1 Claes-Göran Löfdahl A1 Jonas Erjefält YR 2012 UL http://erj.ersjournals.com/content/40/Suppl_56/P785.abstract AB Markup server — Error Error There was a problem handling your request. Please try again in a few minutes, or contact us if you continue to experience this problem.