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Viral loads during follow-up for 4 patients. ♦, Abbott assay; ■, LTR-O method; ▲, INT-O method. 3TC, lamivudine; ABC, abacavir; ATV, atazanavir; AZT, zidovudine; DDI, didanosine; DRV, darunavir; FPV, fosamprenavir; LPV, lopinavir; RTG, raltegravir; RTV, ritonavir; SQV, saquinavir; T20, enfuvirtide.
