Cerebral Germinoma with Syncytiotrophoblastic Giant Cells: Feasibility of Predicting Prognosis Using the Serum hCG LevelS. Utsuki, Katsunori Fujii, Hiroyuki Oka et al.|Acta Neurochirurgica|1999Cited by 32
Invasive meningioma: A tumour with high proliferating and ?recurrence? potentialTomonari Suwa, T Kameya, N. Kawano et al.|Acta Neurochirurgica|1995Cited by 10
CEREBELLAR CLEAR CELL EPENDYMOMA MIMICKING HEMANGIOBLASTOMAN. Kawano, S Yagishita, Hiroyuki Oka et al.|Journal of Neuropathology & Experimental Neurology|1996Cited by 4
[Intracranial extracerebral glioma].Hiroyuki Oka, Takumi Saitoh, N. Kawano et al.|PubMed|1994Cited by 2
A continuous cell line (KK-2) from a supratentorial primitive neuroectodermal tumorHiroshi Ito, N. Kawano, Tomonari Suwa et al.|Acta Neuropathologica|1992Cited by 0