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. 2017 Nov 15;11:3245–3256. doi: 10.2147/DDDT.S146959

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© 2017 Wang et al. This work is published and licensed by Dove Medical Press Limited

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Forest plot of the comparison of percentage of tumor cells, serum level of β2-M, serum level of M protein, 24 h urine light chain content, and Scr level between the experimental and control groups. Control group, chemotherapy alone group; experimental group, chemotherapy plus DC–CIK immunotherapy. The random effects meta-analysis model (inverse variance method) was used.

Abbreviations: CI, confidence interval; DC–CIK, dendritic cells and cytokine-induced killer cells; β2-M, β2-microglobin; IV, inverse variance; Scr, serum creatinine.