Relationship between self-reported walking ability and objectively assessed gait performance in persons with late effects of polio
Author: Brogårdh, C., Flansbjer, U.B., Espelund, C., Lexell, J.
Journal/Publisher: NeuroRehabilitation
Issue: 2013: 33(1): 127-32
http://www.ncbi.nlm.nih.gov/pubmed/23949039