by Maurer, P K, Okawara, S H
Published in Neurosurgery (01.03.1988)

by Okawara, Shige-H, Calkins, Richard A
Published in Archives of neurology (Chicago) (01.07.1973)

by Hansen, J T, Notter, M F, Okawara, S H, Gash, D M
Published in Annals of neurology (01.11.1988)