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. 2017 Nov 21;10:5541–5550. doi: 10.2147/OTT.S146990

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

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Calibration curves for internal validation of estimating RFS in patients with non-muscle-invasive bladder cancer: (A) 1-year outcome; (B) 3-year outcome; and (C) 5-year outcome.

Abbreviation: RFS, recurrence-free survival.