Lactate dehydrogenase reflects the status of ultra-high-risk neuroblastoma in a child under treatmentAkinori Yaguchi, Junya Fujimura, Ayane Yakabe, Megumi Fujiwara, Takeshi Ishibashi, Osamu Tomita, Toshiaki ShimizuDepartment of Pediatrics, Juntendo University Faculty of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan