1. Volume 136, Issue 1, Pages 23-30 (July 2009)
Pathologic and Radiologic Differences Between Idiopathic and Collagen Vascular Disease-Related Usual Interstitial Pneumonia 
Jin Woo Song, MD, Kyung-Hyun Do, MD, Mi-Young Kim, MD, Se Jin Jang, MD, Thomas V. Colby, MD, FCCP, Dong Soon Kim, MD, FCCP 
CHEST 
Volume 136, Issue 1, Pages (July 2009)
DOI: /chest
Copyright © 2009 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Comparison of the survival curves for CVD-UIP and IPF/UIP patients.
CHEST  , 23-30DOI: ( /chest )
Copyright © 2009 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Comparison of the survival curves for IPF/UIP(Ab+) and IPF/UIP(Ab−) patients.
CHEST  , 23-30DOI: ( /chest )
Copyright © 2009 The American College of Chest Physicians Terms and Conditions