Early rebleeding of a foramen magnum dural arteriovenous fistula: A case report and review of the literature oleh Takanari Okamoto, M.D., Masataka Nanto, Ph.D., M.D., Yohei Hasegawa, M.D., Yudai Goto, M.D., Hiroyuki Yamamoto, M.D., Takumi Yamanaka, Ph.D., M.D., Yoshinobu Takahashi, Ph.D., M.D., Hiroyasu Sasajima, Ph.D., M.D., Kimitoshi Sato, Ph.D., M.D., Fuminori Shimizu, M.D., Naoya Hashimoto, Ph.D., M.D.