Ryan J. Adam, Katherine B. Hisert, Jonathan D. Dodd, Brenda Grogan, Janice L. Launspach, Janel K. Barnes, Charles G. Gallagher, Jered P. Sieren, Thomas J. Gross, Anthony J. Fischer, Joseph E. Cavanaugh, Eric A. Hoffman, Pradeep K. Singh, Michael J. Welsh, Edward F. McKone, David A. Stoltz
Less air trapping correlates with improved spirometry.