CJCP     2018 20 (2):  140-145    ISSN: 1008-8830  CN: 43-1301/R Association between dopamine D4 receptor gene exon Ⅲ 48bp VNTR polymorphism and temperament in school-aged children SU Ting, LI Yu-Ling, Enherbayaer Institute of Life Science and Technology, Inner Mongolia Normal University, Hohhot 010022, China Received: 2017-10-30  Revised: 2017-12-21  Online: null Supporting info