lamiVUDine or Emtricitabine:Susc:Pt:Isolate:Ord:Genotyping
lamivudine or emtricitabine:susc:pt:isolate:ord:genotyping
lamiVUDine or Emtricitabine:Susceptibility:To identify measures at a point in time:Isolate:Ordinal:Genotyping
lamivudine or emtricitabine:susceptibility:to identify measures at a point in time:isolate:ordinal:genotyping