title: An electrophysiological study of the functional changes in the spinal motoneurones in Parkinson's disease.
mesh_terms: D004594:Electrophysiology; D006801:Humans; D008875:Middle Aged; D009046:Motor Neurons; D010300:Parkinson Disease / Q000503:physiopathology*; D013116:Spinal Cord / Q000503:physiopathology*