Influenza virus A Ag:PrThr:Pt:Bronchial:Ord:IF
influenza virus a ag:prthr:pt:bronchial:ord:if
Influenza virus A Antigen:Presence or Threshold:To identify measures at a point in time:Bronchial:Ordinal:Immune Fluorescence
influenza virus a antigen:presence or threshold:to identify measures at a point in time:bronchial:ordinal:immune fluorescence