Extracellular superoxide dismutase (EC-SOD) as a protective factor for risk of chronic obstructive pulmonary disease
R. P. Bowler, J. Hokanson, M. Taylor, S. Levy, E. M. Canaham, E. Regan, C. Wheeler, M. Nicks, E. Chan, J. D. Crapo
European Respiratory Review 2006 15: 200-201; DOI: 10.1183/09059180.00010117