1. Thoracic Ultrasound Guidance for Access to Pleural, Peritoneal, and Pericardial Space 
Guglielmo M. Trovato, MD, Marco Sperandeo, MD, Daniela Catalano, MD 
CHEST 
Volume 144, Issue 5, Pages (November 2013)
DOI: /chest
Copyright © 2013 The American College of Chest Physicians Terms and Conditions

2. Figure 1
A, Convex and linear array probes with thoracentesis/fine-needle aspiration (FNA) set allowing a perpendicular access and vision (central hole in the transducer). B, Pleural effusion. The needle is visible at the right of the dotted line.
CHEST  , DOI: ( /chest )
Copyright © 2013 The American College of Chest Physicians Terms and Conditions