1. Do Rehospitalization Rates Differ Among Injury Severity Levels in the NIDRR Traumatic Brain Injury Model Systems Program? 
Risa Nakase-Richardson, PhD, Johanna Tran, MD, David Cifu, MD, Scott D. Barnett, PhD, Lawrence J. Horn, MD, Brian D. Greenwald, MD, Robert C. Brunner, MD, John Whyte, MD, PhD, Flora M. Hammond, MD, Stuart A. Yablon, MD, Joseph T. Giacino, PhD 
Archives of Physical Medicine and Rehabilitation 
Volume 94, Issue 10, Pages (October 2013)
DOI: /j.apmr
Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1 Flowchart describing study sample.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2013 American Congress of Rehabilitation Medicine Terms and Conditions