Tsivgoulis G, Stefanou MI, Tsivgoulis A, Antoniadou E, Rudolf J, Dardiotis E, et al. Management of spasticity in multiple sclerosis: a consensus statement of the Hellenic Neurological Society, the Hellenic Academy of Neuroimmunology and the Hellenic Society of Physical and Rehabilitation Medicine. Archives of Clinical Neurology. 2022;31 3:18-50.