1. Development and Efficacy of a 1-d Thoracic Ultrasound Training Course
John M. Wrightson, MBBChir, Kathryn M. Bateman, BM, Clare Hooper, MBBS, Fergus V. Gleeson, MBBS, FCCP, Najib M. Rahman, DPhil, Nicholas A. Maskell, DM 
CHEST 
Volume 142, Issue 5, Pages (November 2012)
DOI: /chest
Copyright © 2012 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Box and whisker plots of test scores at various time points. Circles show extreme values lying >1.5 times the interquartile range. *P<.001; ** P<.001 (related-samples Wilcoxon signed rank test). SPSS Statistics version 20 (IBM Corporation) software was used for the statistical analyses.
CHEST  , DOI: ( /chest )
Copyright © 2012 The American College of Chest Physicians Terms and Conditions