TY - Journal of International Oncology A1 - YU Fa-Chang, LI Sheng, NIU Zuo-Xing T1 - K-ras gene and colorectal cancer therapeutic effect Y1 - 2014-03-08 JF - Journal of International Oncology JO - Journal of International Oncology SP - 214 EP - 216 VL - 41 IS - 3 UR - https://gjzlx.sdfmu.edu.cn N1 - 10.3760/cma.j.issn.1673-422X.2014.01.017 ER -