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. 2014 May 27;9(5):e98152. doi: 10.1371/journal.pone.0098152

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© 2014 Solem et al

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 properly credited.

PMC Copyright notice

ARV, antiretroviral; NRTI, nucleoside reverse transcriptase inhibitor. ^aLaboratory data provided through 2010. ^bThree pairs of CD4 cell tests were combined by using the average laboratory result on the same date.