Correlation plots of tissue versus plasma concentrations across all tissues for the six antiretrovirals. Antiretroviral abbreviations: ATV, atazanavir; EFV, efavirenz; FTC, emtricitabine; MVC, maraviroc; RAL, raltegravir; TFV, tenofovir. FGT, female genital tract; NHP, nonhuman primate. BLT mice were not dosed with EFV due to toxicity concerns. Testes were only evaluated in NHPs.