RT Journal Article SR Electronic T1 PD-L1 expression is a predictive biomarker for CIK cell-based immunotherapy in postoperative patients with breast cancer JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP 228 DO 10.1186/s40425-019-0696-8 VO 7 IS 1 A1 Zhou, Zi-Qi A1 Zhao, Jing-Jing A1 Pan, Qiu-Zhong A1 Chen, Chang-Long A1 Liu, Yuan A1 Tang, Yan A1 Zhu, Qian A1 Weng, De-Sheng A1 Xia, Jian-Chuan YR 2019 UL http://jitc.bmj.com/content/7/1/228.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.