Gravesteijn, A. S., S. T. Timmermans, J. . Aarts, H. E. Hulst, B. A. de Jong, H. . Beckerman, and V. de Groot. “Relative Aerobic Load of Walking in People With Multiple Sclerosis”. Journal of Rehabilitation Medicine, vol. 56, Feb. 2024, p. jrm13352, doi:10.2340/jrm.v56.13352.