M. F. P. D. Thompson

Percutaneous electrical stimulation of corticospinal pathways at the level of the pyramidal decussation in humans

C D Marsden, B. Day, C. Marsden, 1991, Annals of neurology.

Examination of motor function in lesions of the spinal cord by stimulation of the motor cortex

B. Day, C. Marsden, J. Rothwell, 1987, Annals of neurology.