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Title
Virologic failure of protease inhibitor-based second-line antiretroviral therapy without resistance in a large HIV treatment program in South Africa.
Authors
Levison, Julie H; Orrell, Catherine; Gallien, Sébastien; Kuritzkes, Daniel R; Fu, Naishin; Losina, Elena; Freedberg, Kenneth A; Wood, Robin
Abstract
We investigated the prevalence of wild-type virus (no major drug resistance) and drug resistance mutations at second-line antiretroviral treatment (ART) failure in a large HIV treatment program in South Africa.