Resistance with first-line HAART StudyARTwkTestsK65RL74VM184VTAMs3 rd drug GS903 n=299TDF 3TC EFV482924%041%0EFV R 55% GS934 n=244TDF FTC EFV96140014%0EFV R 71% GS934 n=243ZDV 3TC EFV96290031%3%EFV R 62% CNA30021 n=770ABC 3TC EFV48383%21%47%0EFV R 58% ABT418 n=190TDF FTC LPV/r96230017%0PI R 0 SOLO n=190ABC 3TC FPV/r48320012%0PI R 0 ARTEMIS n=343TDF FTC DRV/r9631006%0PI R 0 STARTMRK n=281TDF FTC RAL96130038%0RAL R 33% Margot, HIV Med 2006; Margot, JAIDS 2009; Moyle, JAIDS 2005; Molina, IAC 2004; Gathe, AIDS 2004; Mills, AIDS 2009; Lennox, Lamcet 2009.