1. Volume 101, Issue 2, (February 1992)
Arterial or Venous? 
Peter G. Polos, M.D., Ph.D., Frank E. Rinaldo, MD., Meenakshi Rhalla, M.D., Steven A. Sahn, MD., F.C.C.P. 
CHEST 
Volume 101, Issue 2, (February 1992)
DOI: /chest
Copyright © 1992 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1
Portable chest radiograph obtained after placement of triple-lumen catheter shows that the catheter had crossed the midline into the left hemithorax.
CHEST  , DOI: ( /chest )
Copyright © 1992 The American College of Chest Physicians Terms and Conditions