Application of a tungsten apron for occupational radiation exposure in nursing care of children with neuroblastoma during 131I-meta-iodo-benzyl-guanidine therapy oleh Yuka Taniguchi, Hiroshi Wakabayashi, Hiroto Yoneyama, Zhuoqing Chen, Kei Morino, Akiko Otosaki, Masako Yamada, Anri Inaki, Daiki Kayano, Seigo Kinuya