CJCP     2013 15 (11):  1006-1008    ISSN: 1008-8830  CN: 43-1301/R Association between vitamin D receptor gene polymorphisms and pediatric Crohn's disease in China: a study based on gene sequencing LUO You-You, SHU Xiao-Li, ZHAO Hong, YU Jin-Dan, MA Ming, CHEN Jie Department of Gastroenterology, Children's Hospital of Zhejiang University, School of Medicine, Hangzhou 310003, China. hzcjie@zju.edu.cn Received: null  Revised: null  Online: null Supporting info