RT Journal Article SR Electronic T1 Immune-checkpoint inhibitors plus chemotherapy versus chemotherapy as first-line treatment for patients with extensive-stage small cell lung cancer JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e001300 DO 10.1136/jitc-2020-001300 VO 8 IS 2 A1 Zhou, Fei A1 Zhao, Wencheng A1 Gong, Xiaomei A1 Ren, Shengxiang A1 Su, Chunxia A1 Jiang, Tao A1 Zhou, Caicun YR 2020 UL http://jitc.bmj.com/content/8/2/e001300.abstract AB Markup server — Error Not Found The page you were trying to reach could not be found. Please check the address for the page you were trying to reach. If you believe you have reached this page in error, you may contact us with any questions.