CJCP     2014 16 (8):  840-845    ISSN: 1008-8830  CN: 43-1301/R Association of folate metabolism genes MTRR and MTHFR with complex congenital abnormalities among Chinese population in Shanxi Province, China ZHANG Qin, BAI Bao-Ling, LIU Xiao-Zhen, MIAO Chun-Yue, LI Hui-Li Beijing Municipal Key Laboratory of Child Development Nutrigenomics, Capital Institute of Pediatrics, Beijing 100020, China Received: 2014-06-13  Revised: 2014-07-17  Online: null Supporting info null