Relationship between physical activity, knee muscle strength and gait performance in persons with late effects of polio
Author: Winberg C, Flansbjer UB, Rimmer JH, Lexell J
Journal/Publisher: PM&R
Issue: March 2015: 7(3): 236-44
www.pmrjournal.org/article/S1934-1482(14)01367-7/fulltext