Computed tomography quantification of tracheal abnormalities in COPD and their influence on airflow limitation.
Gallardo Estrella L, Pompe E, Kuhnigk JM, Lynch DA, Bhatt SP, van Ginneken B, van Rikxoort EM. Computed tomography quantification of tracheal abnormalities in COPD and their influence on airflow limitation. Med Phys. 2017 Jul; 44(7):3594-3603.