American Association of Neurological Surgeons (AANS). Spasticity. Accessed: April 2021

Lance JW. Symposium synopsis. In: Feldman RG,fckLRYoung RR, Koella WP (eds). Spasticity: Disordered Motor Control. Chicago, IL: Year Book 1980:485–94.

Pandyan AD, Gregoric M, Barnes MP et al. Spasticity: clinical perceptions, neurological realities and meaningful measurement. Disabil Rehabil 2005;27:2–6.

Lance JW. The control of muscle tone, reflexes, and movement: Robert Wartenberg Lecture. Neurology. 1980;30(12): 1303-13.

M Kita 1, D E Goodkin. Drugs used to treat spasticity. Drugs. 2000 Mar;59(3):487-95. doi: 10.2165/00003495-200059030-00006.