S. Hayashi

Intracranial osteosarcoma after radiosurgery--case report.

A. Teramoto, N. Sanno, T. Shimura, 2004, Neurologia medico-chirurgica.

A Craniopharyngioma with Marked Extension into the Posterior Cranial Fossa : A Case Report

M. Sasaki, T. Shimura, S. Nakazawa, 1995 .