1. Procedural Sedation: Is Two Better Than One?
Michael Menchine, MD, MPH, Sanjay Arora, MD, David Schriger, MD, MPH 
Annals of Emergency Medicine 
Volume 58, Issue 4, Pages (October 2011)
DOI: /j.annemergmed
Copyright © 2011 American College of Emergency Physicians Terms and Conditions

2. Figure 1
Pain scores of study subjects. A, Sorted by pain score. B, Sorted by length of procedure.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2011 American College of Emergency Physicians Terms and Conditions

3. Figure 2
Pain scores of study subjects for each 3 minute interval, sorted by length of procedure.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2011 American College of Emergency Physicians Terms and Conditions