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. 2017 Nov 9;46(3):996–1007. doi: 10.1177/0300060517728652

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© The Author(s) 2017

Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Regression analysis to compare salivary human immunodeficiency virus type 1 (HIV-1) viral loads in five patients with HIV-1 infections, measured using the COBAS® AmpliPrep/ COBAS® TaqMan® HIV-1 Test, v1.0 or an in-house Poisson quantitative polymerase chain reaction assay. Data presented as the mean of patient samples for each patient (each patient shown with an arrow). The solid diagonal line shows a single regression curve. A good linear relationship was seen between the results of the COBAS assay and the Poisson quantitative PCR assay (P <0.05; r² = 0.83)