TY - Journal of International Oncology A1 - Zhang Huibo, Yang yanying, Song Qibin T1 - Association between MTHFR polymorphisms and colorectal cancer Y1 - 2017-08-08 JF - Journal of International Oncology JO - Journal of International Oncology SP - 619 EP - 621 VL - 44 IS - 8 UR - https://gjzlx.sdfmu.edu.cn N1 - 10.3760/cma.j.issn.1673-422X.2017.08.016 ER -