By:
Tsubokawa T, Katayama Y, Yamamoto T, Hirayama T, Koyama S
Published in: Hitchcock ER, Broggi G, Burzaco J, Martin-Rodriguez J, Meyerson BA, Tóth S (eds.): Advances in Stereotactic and Functional Neurosurgery 9. Acta Neurochirurgica Supplement, volume 52; Springer, Vienna, 1991; pp. 137-139; ISBN 978-3-7091-9162-0