CJCP     2022 24 (6):  631-634    ISSN: 1008-8830  CN: 43-1301/R Application of "kindergarten effect" in radiotherapy for children with tumor aged 3-5 years WANG Yu-Fei, LIANG Guang-Li, WANG Wei, QU Cheng-Bin, LI Chun-Yin, WANG Qing-Xin Department of Radiotherapy, Tianjin Medical University Cancer Institute and Hospital/National Clinical Research Center for Cancer/Tianjin Key Laboratory of Cancer Prevention and Therapy /Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China Received: 2022-02-22  Revised: null  Online: null Supporting info