Clinical observation of raltitrexed combined with irinotecan as firstline chemotherapy for recurrent or metastatic gastric cancer
ZHANG Min, LU Wei-Dong, XU Zhen, WANG Shao-Kai, ZUO Yun
Journal of International Oncology . 2016, (8): 669 -672 .  DOI: 10.3760/cma.j.issn.1673422X.2016.09.007