Refractory brain metastases and leptomeningeal metastases from small cell lung cancer: one case report
MA Yu-chao, XIAO Jian-ping, ZHANG Hong-mei, WAN Li-juan, LIU Shan, LIU Ang-si
Chinese Journal of Contemporary Neurology and Neurosurgery . 2019, (11): 870 -875 .  DOI: 10.3969/j.issn.1672-6731.2019.11.011