Year, Count, Co-author(s) 2011,12,"COPD Gene Investigator,; DeMeo, D. L.; Silverman, E. K.; Zhang, L.; Make, B.; Hokanson, J. E.; Washko, G. R.; Regan, E. A.; McEvoy, Charlene E., MD, MPH; Murphy, J.; Hansel, N. N.; Crapo, J. D."