1. Volume 149, Issue 4, Pages 1111-1113 (April 2016)
A Prospective, Randomized, Double-Blind Trial Comparing the Diagnostic Yield of 21- and 22-Gauge Aspiration Needles for Performing Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration in Sarcoidosis 
Valliappan Muthu, MD, DM, Nalini Gupta, MD, Sahajal Dhooria, MD, DM, Inderpaul Singh Sehgal, MD, DM, Amanjit Bal, MD, DM, Ashutosh N. Aggarwal, MD, DM, Digambar Behera, MD, Ritesh Agarwal, MD, DM, FCCP 
CHEST 
Volume 149, Issue 4, Pages (April 2016)
DOI: /j.chest
Copyright © 2016 American College of Chest Physicians Terms and Conditions

2. Figure 1
CONSORT diagram demonstrating the flow of participants in the study. EBB = endobronchial biopsy; TBLB = transbronchial lung biopsy; TBNA = transbronchial needle aspiration.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions