00045] that correlate with reduced (ledipasvir)[pubchem.compound:67505836] antiviral drug efficacy in (Hepatitis C virus subtype 1)[taxonomy:31646]"
#&gt; [2] "Identify treatment emergent amino acid (substitutions)[SO:1000002] that correlate with antiviral drug treatment failure"                                                                                                                                                 
#&gt; [3] "Determine whether the treatment emergent amino acid (substitutions)[SO:1000