Influenza virus A polymerase B1 cDNA:PrThr:Pt:Isolate:Ord:Sequencing
influenza virus a polymerase b1 cdna:prthr:pt:isolate:ord:sequencing
Influenza virus A polymerase B1 cDNA:Presence or Threshold:To identify measures at a point in time:Isolate:Ordinal:Sequencing
influenza virus a polymerase b1 cdna:presence or threshold:to identify measures at a point in time:isolate:ordinal:sequencing