1. Emergency Ultrasound Guidelines
Annals of Emergency Medicine 
Volume 53, Issue 4, Pages (April 2009)
DOI: /j.annemergmed
Copyright © 2009 American College of Emergency Physicians Terms and Conditions

2. Figure 1 ACEP 2008 emergency ultrasound guidelines scope of practice.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2009 American College of Emergency Physicians Terms and Conditions

3. Figure 2
Pathways for emergency ultrasound training, credentialing, and incorporation of new applications.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2009 American College of Emergency Physicians Terms and Conditions

4. Figure 3
Fryback-Pearl hierarchical model of effectiveness assessment: clinical sonography.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2009 American College of Emergency Physicians Terms and Conditions

5. Figure 4
Emergency ultrasound applications graded in the Fryback-Pearl hierarchical model of effectiveness assessment: clinical sonography.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2009 American College of Emergency Physicians Terms and Conditions