Yuko Nagoya, Wataru Irie, Chie Irie, Kei Kimura, Yuko Yoshimoto, Mitsuko Iwasaki, Hitoshi Shiwaku, Atsushi Sato: Contents that family members of long-term hospitalized pediatric patients in the oncology unit told a certified nurse specialist abouty the child’s “siblings”. 50th Congress of International Sosiety of Paediatric Oncology(SIOP), Kyoto, Japan. Nov 18th, 2018.