Assertion: ritonavir's regimen | /r/HasProperty | preferred
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Source sentences:
text: In addition, lopinavir/ritonavir (twice daily) with 2 NRTIs is a preferred regimen for initial treatment in children 2 years to <3 years of age and is one of several preferred PI-based regimens for children 3 years to <12 years of age.201
text: For initial treatment in antiretroviral-naive pediatric patients, experts state that lopinavir/ritonavir (twice daily) with 2 NRTIs is the preferred antiretroviral regimen for neonates