TY - China Oncology A1 - WANG Jie T1 - Challenges and directions of immune checkpoint inhibitors in the treatment of lung cancer Y1 - 2020-10-30 JF - China Oncology JO - China Oncology SP - 744 EP - 749 VL - 30 IS - 10 UR - http://www.china-oncology.com N1 - 10.19401/j.cnki.1007-3639.2020.10.004 ER -