1. Spasticity: What is it? What is not?;Landau,1981
2. Pendulousness of the legs as a diagnostic test;Wartenberg;Neurology,1951
3. Modified pendulousness test to assess tonus of thigh muscles in spasticity;Boczko;Neurology,1958
4. Testing and modelling of spasticity;Bajd;J. Biomed. Eng.,1982
5. Influence of electrical stimulation on skeletal muscle spasticity;Bowman,1981