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. 2018 Oct 29;18:158. doi: 10.1186/s12876-018-0883-y

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© The Author(s). 2018

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. 2 — The distribution and severity of H. pylori in stomach in different age groups. a H. pylori infection rates in antrum, incisura angularis (IA) and corpus with increasing age. b The H. pylori colonization density was graded by Giemsa staining (upper panel) and confocal laser endomicroscopy (lower panel). A total of 20 high power (× 40 objective) microscopic fields were randomly choosed in each Giemsa staining sample, and the average scores of those 20 fields for each slide were defined as H. pylori density scores. *** p < 0.001