JAK2V617F Mutation-positive Childhood Essential Thrombocythemia Associated With Cerebral Venous Sinus ThrombosisKurosawa, Hidemitsu; Okuya, Mayuko; Matsushita, Takashi; Kubota, Takeo; Endoh, Kazushi; Kuwashima, Shigeko; Hagisawa, Susumu; Sato, Yuya; Fukushima, Keitaro; Sugita, Kenichi; Okada, Yoshuifumi; Park, Myoung-Ja; Hayashi, Yasuhide; Arisaka, Osamu · Journal of Pediatric Hematology/Oncology · 2009