Authors: William J Meurer; Roger J Lewis; Danilo Tagle; Michael D Fetters; Laurie Legocki; Scott Berry; Jason Connor; Valerie Durkalski; Jordan Elm; Wenle Zhao; Shirley Frederiksen; Robert Silbergleit; Yuko Palesch; Donald A Berry; William G Barsan Journal: Ann Emerg Med Date: 2012-03-15 Impact factor: 5.721