Schasfoort, F. C.; Dallmeijer, A.; Pangalila, R. F.; Catsman, C.; Stam, H. . J.; Becher, J.; Steyerberg, E.; Polinder, S.; Bussmann, J. B. Value of Botulinum Toxin Injections Preceding a Comprehensive Rehabilitation Period for Children With Spastic Cerebral Palsy: A Cost-Effectiveness Study. JRM 2017, 50, 22-29.