Bell Kathleen R, Hammond Flora, Hart Tessa, Bickett Allison K, Temkin Nancy R, Dikmen Sureyya
Department of Rehabilitation Medicine, University of Washington, Seattle, Washington 98195, USA.
Am J Phys Med Rehabil. 2008 Apr;87(4):330-8. doi: 10.1097/PHM.0b013e318168d092.