A Performance Study of the RPE Mechanism for PDES. - J. E. Butler; Virgil Wallentine (MASCOTS, 1994)

Substantia nigra echomorphology and motor cortex excitability. - Gabrielle Todd; Janet L. Taylor; D. Baumann; J. E. Butler; Stephen R. Duma; Michael Hayes; Francine Carew-Jones; Olivier Piguet; Stefanie Behnke; Michael C. Ridding; Daniela Berg; Kay L. Double (NeuroImage, 2010)