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. 2014 Aug 6;18(8):1519–1539. doi: 10.1111/jcmm.12278

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© 2014 The Authors. Journal of Cellular and Molecular Medicine published by John Wiley & Sons Ltd and Foundation for Cellular and Molecular Medicine.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Fig. 1 — Breakdown of citations retrieved from literature searches and number of trials included in the analysis. ASCO: American Society of Clinical Oncology; ECCO-ESMO: European Cancer Organisation-European Society for Medical Oncology; WCLC: World Congress on Lung Cancer.