B.J Bussmann, J. et al. 2020. The role of botulinum toxin in multimodal treatment of spasticity in ambulatory children with spastic cerebral palsy: Extensive evaluation of a cost-effectiveness trial. Journal of Rehabilitation Medicine. 52, 5 (May 2020), 1–7. DOI:https://doi.org/10.2340/16501977-2680.