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Correction: Persistent Difficulties in Switching to Second-Line ART in Sub-Saharan Africa — A Systematic Review and Meta-Analysis

Copyright: 2014 The PLOS ONE Staff. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Figure 2. Incidence rate of switching to second-line ART (expressed per 100 person-years) – Estimation from 9 studies providing 11 incidences of switching to second-line ART. doi:10.1371/journal.pone.0082724.g002