Embolization of Dural Arteriovenous Fistula of the Sinus Confluence with Onyx using Dual-Lumen Microballoon Catheter: A Case Report, Yosuke Kawamura, Tomoji Takigawa, Akio Hyodo, Kensuke Suzuki, Biomedical Journal of Scientific and Technical Research, 6(1), 5059-5060, Jun. 2018