Effect of PD-L1 expression on the efficacy of pemetrexed-based chemotherapy in patients with advanced lung adenocarcinoma and its mechanism
SHI Maolin , BAI Yudi , WANG Chao , LI Siqi , ZHOU Daijun , PENG Jingjing , SUN Feifan , LI Dong , ZHANG Tao
China Oncology . 2021, (4): 308 -316 .  DOI: 10.19401/j.cnki.1007-3639.2021.04.010