Guridi, Jorge MD, PhD; Lozano, Andres M. MD, PhD
Centro de Neurologia Neurocirugia Funcional (JG), Clinica Quiron, Parque Alcolea, Spain, Department of Neurosurgery (JG), Hospital de Navarra, Irunlarrea, Pamplona, Spain, and Division of Neurosurgery (AML), The Toronto Hospital, Toronto Western Division, Department of Surgery, University of Toronto, Toronto, Canada
Received, February 10, 1997. Accepted, June 2, 1997.
Reprint requests: Andres M. Lozano, M.D., Ph.D., University of Toronto/The Toronto Hospital (Western Division), Department of Surgery, Division of Neurosurgery, 399 Bathurst Street, Toronto, Ontario, Canada M5T 2S8.