Assertion: ritonavir's regimen | /r/MadeOf | low-dose ritonavir
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text: A number of regimens containing low-dose ritonavir as a pharmacokinetic booster of another protease inhibitor have been found to be effective in initial therapy; these include ritonavir plus atazanavir,(2,3) darunavir,(4,5,6) fosamprenavir,(7) lopinavir,(8,2,6,9) and saquinavir.(9)