Figure 2From: Twice-daily amprenavir 1200 mg versus amprenavir 600 mg/ritonavir 100 mg, in combination with at least 2 other antiretroviral drugs, in HIV-1-infected patientsPercentage of patients with plasma HIV-1 RNA levels <200 copies/mL and <50 copies/mL in the ITT: observed analysis.Back to article page