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. 2017 Sep 28;2017:bcr2017221869. doi: 10.1136/bcr-2017-221869

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© BMJ Publishing Group Ltd (unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Immunohistochemical test results revealed HIV-1 p24 antigen in the follicular centre, and the dendritic cells in the follicular centres were positive for HIV-1 p24 antigen (original magnification was ×100 (A) and ×400 (B)).