Peurala, S. H., A. H. Karttunen, T. Sjögren, J. Paltamaa, and A. Heinonen. “Evidence for the Effectiveness of Walking Training on Walking and Self-Care After Stroke: A Systematic Review and Meta-Analysis of Randomized Controlled Trials”. Journal of Rehabilitation Medicine, vol. 46, no. 5, Apr. 2014, pp. 387-99, doi:10.2340/16501977-1805.