Efficacy and safety of pemetrexed maintenance chemotherapy for advanced non-small cell lung cancer in a real-world setting

Jianjie Li, Yujia Chi, Guang Cao, Jun Zhao, Tongtong An, Meina Wu, Yuyan Wang, Minglei Zhuo, Xue Yang, Bo Jia, Hanxiao Chen, Jingjing Wang, Xiaoyu Zhai, Ziping Wang