Nieuwenhuijsen, C., van der Slot, W., Beelen, A., Arendzen, J. H., Roebroeck, M., Stam, H. J., … Group South West Netherlands, the T. R. (2009). Inactive lifestyle in adults with bilateral spastic cerebral palsy. Journal of Rehabilitation Medicine, 41(5), 375–381. https://doi.org/10.2340/16501977-0340