Efficacy of β-elemene combined with gefitinib in the treatment of advanced lung adenocarcinoma patients with slow progression after first-line gefitinib treatment
Song Chunqing, Zhang Ying, Zhang Zhiguo, Guo Hongwei, Lu Hanhong, Han Lei
Journal of International Oncology . 2020, (5): 272 -277 .  DOI: 10.3760/cma.j.cn371439-20191112-00017