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. 2016 Mar 8;14:12. doi: 10.1186/s12969-016-0072-x

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© Grein et al. 2016

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 — a Sequential steps for cervical cancer: Infection with carcinogenic HPV type(s), followed by detectable viral persistence, linked to the progression of cervical premalignant lesion, and finally, invasion (Adapted from Schiffman M. et al.) [50]. b Colposcopy of normal cervix, high-grade squamous intraepithelial lesion (HSIL) and Squamous Cell Carcinoma