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. 2019 Nov 29;20:661. doi: 10.1186/s13063-019-3854-x

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© The Author(s). 2019

Open AccessThis 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. 1 — Flowchart of the randomized clinical trial (RCT) (adapted from the Consolidated Standards of Reporting Trials (CONSORT) statement). For each follow up, numbers of withdrawn and lost participants will be reported with reasons. G, group; SH, sodium hypochlorite