CJCP     2017 19 (4):  470-474    ISSN: 1008-8830  CN: 43-1301/R Effects of maternal folate deficiency on the methylation of insulin-like growth factor system in the offspring rats WU Meng-Meng, YANG Fan, QU Yi, MU De-Zhi Department of Pediatrics, West China Second University Hospital, Sichuan University/Key Laboratory of Birth Defects and Related Diseases of Women and Children(Sichuan University), Ministry of Education, Chengdu 610041, China Received: 2016-12-04  Revised: 2017-03-02  Online: null Supporting info null