RT Journal Article SR Electronic T1 Silva-Couto MA, Prado-Medeiros CL, Oliveira AB, et al. Muscle atrophy, voluntary activation disturbances, and low concentrations of IGF-1 and IGFBP-3 are associated with weakness in people with chronic stroke. Phys Ther. 2014;94:957–967. JF Physical Therapy JO Phys Ther FD American Physical Therapy Association SP 471 OP 471 DO 10.2522/ptj.20130322.cx VO 95 IS 3 YR 2015 UL http://jcore-reference.highwire.org/content/95/3/471.abstract AB