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. 2013 Oct 18;8(10):e76719. doi: 10.1371/journal.pone.0076719

Figure 3. Funnel graphs of the assessment of potential publication bias in studies of survivin expression in patients with non-muscle invasive bladder tumor.

Figure 3

(A) Recurrence-free survival. (B) Progression-free survival. (C) Cancer-specific survival. (D) Overall survival.