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. 2006 Apr 25;94(10):1516–1523. doi: 10.1038/sj.bjc.6603108

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Copyright © 2006 Cancer Research UK

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Univariate survival analysis investigating the impact of clinical stage (A), nodal status (B) or VEGF-A expression (C) on overall survival of patients with head and neck carcinomas. Graph D illustrates the impact of VEGF-A expression on progression-free survival.