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. 2020 Feb 10;112(10):1038–1046. doi: 10.1093/jnci/djaa011

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Published by Oxford University Press 2020. This work is written by US Government employees and is in the public domain in the US.

This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)

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Figure 1. — Consolidated standards of reporting trials (CONSORT diagram of women in the nonrandomly assigned extension of the Costa Rica HPV vaccine trial (CVT). This CONSORT diagram shows the women’s progress through the randomly assigned phase of the CVT. The CONSORT then details the nonrandomly assigned extension of CVT, the long-term follow-up study (LTFU), where a new unvaccinated control group (UCG) was recruited to replace the control arm, with similar characteristics to trial participants.