@article{hamada_morioka_takeshita_fukui_1994, 
  title={An Angiographically Occult Venous Malformation Presented with Intracerebral Hemorrhage : A Case Report}, 
  DOI={10.7887/jcns.3.451}, 
  publisher={The Japanese Congress of Neurological Surgeons}, 
  author={Hamada and Morioka and Takeshita and Fukui}, 
  year={1994}
  }