A phase Ⅱ prospective study on raltitrexed combined with concurrent radiotherapy for elderly esophageal carcinoma
Zhang Wei, Guan Luan, Yin Haitao, Zhou Chong, Wu Chengjun
Journal of International Oncology . 2017, (7): 504 -507 . DOI: 10.3760/cma.j.issn.1673-422X.2017.07.006