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. 2016 Feb 27;16:8. doi: 10.1186/s12894-016-0126-x

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© Iida et al. 2016

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Kaplan–Meier curve of the RFS in the four groups (group 1: BCG induction instillations after the second TUR, group 2: a second TUR alone, group 3: BCG induction instillations alone, group 4: neither a second TUR nor BCG induction instillations). RFS: recurrence-free survival; BCG: Bacillus Calmette-Guerin; TUR: transurethral resection