TY - Journal of International Oncology A1 - Li Zhijian, He De T1 - Research progress on liquid biopsy in pancreatic cancer Y1 - 2018-03-08 JF - Journal of International Oncology JO - Journal of International Oncology SP - 180 EP - 182 VL - 45 IS - 3 UR - https://gjzlx.sdfmu.edu.cn N1 - 10.3760/cma.j.issn.1673-422X.2018.03.012 ER -