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Survival analysis related to VEGF-A and VEGF (co-) receptor expression in human glioblastoma. Kaplan-Meier curves displaying survival curves after median split of the expression score for (A) VEGFR-1, (B) VEGFR-2, (C) VEGFR-3, (D) NRP-1, (E) NRP-2, and (F) VEGF-A (high (light gray) and low (dark gray) in the total glioblastoma cohort. No significant association of expression levels and patient survival was seen.
