The relationship of the folate metabolism related gene polymorphisms of MTHFR and MTRR with unexplained recurrent spontaneous abortion
XIE Xiaoyuan, ZHANG Ying, XIN Li, LENG Junhong, LU Yanqiang, XUE Yan, ZHU Xiulan
Tianjin Medical Journal . 2016, (10): 1243 -1246 .  DOI: 10.11958/20160099