Stenson Katherine, Chen David, Tansey Keith, Kerkhoff Thomas R, Butt Lester, Gallegos Andrés J, Kirschner Kristi L
Department of PM&R, Northwestern University Feinberg School of Medicine, and Schwab Rehabilitation Hospital, 1401 S California Blvd., Chicago, IL 60608, USA.
PM R. 2010 Jul;2(7):664-70. doi: 10.1016/j.pmrj.2010.05.014.