1. Alternative to the Science Citation Index Impact Factor as an Assessment of Emergency Medicine's Scientific Contributions 
Douglas P Barnaby, MD, E.John Gallagher, MD 
Annals of Emergency Medicine 
Volume 31, Issue 1, Pages (January 1998)
DOI: /S (98)
Copyright © 1998 American College of Emergency Physicians Terms and Conditions

2. Figure. Mean SCI impact factors of emergency medicine journals, 1981 through Vertical bars represent 95% CIs for the mean annual impact factors; data points lacking CIs represent years during which an impact factor was published for only a single emergency medicine journal.
Annals of Emergency Medicine  , 78-82DOI: ( /S (98) )
Copyright © 1998 American College of Emergency Physicians Terms and Conditions