1. 59-Year-Old Woman With Progressive Dyspnea on Exertion
Timothy B. Niewold, MD, Jay H. Ryu, MD 
Mayo Clinic Proceedings 
Volume 79, Issue 12, Pages (December 2004)
DOI: /
Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Figure 1
The flow volume loop from our patient's pulmonary function test reveals an obstructive defect. The predicted normal loop is shown as a dashed line. The loops showing our patient's pulmonary function before (solid line) and after (broken line) she took the bronchodilator are not notably different and therefore are superimposed.
Mayo Clinic Proceedings  , DOI: ( / )
Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

3. Figure 2
Photomicrograph from open lung biopsy specimen shows bronchiolar wall fibrosis and obliteration of the bronchiolar lumen (hematoxylin-eosin, original magnification ×200).
Mayo Clinic Proceedings  , DOI: ( / )
Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions