B. Fischer

Evaluation of changes in central airway dimensions, lung area and mean lung density at paired inspiratory/expiratory high-resolution computed tomography

S. Ley, M. Thelen, C. Heussel, 2003, European Radiology.

Three-dimensional helical CT of the tracheobronchial tree: evaluation of imaging protocols and assessment of suspected stenoses with bronchoscopic correlation

Hans-Ulrich Kauczor, Manfred Thelen, Peter Mildenberger, 1997 .