Original Article


Efficacy and safety of gemcitabine plus raltitrexed or S-1 versus standard third-line therapies in metastatic colorectal cancer: a retrospective cohort study

Jialong Tao, Yingtian Zhang, Yanjie Wang, Sijia Huang, Wenwen Gao, Liya Dai, Zhengyang Feng, Chenchen Jiao, Yusong Zhang

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