Influenza virus B Ag:PrThr:Pt:Nph:Ord:IA
influenza virus b ag:prthr:pt:nph:ord:ia
Influenza virus B Antigen:Presence or Threshold:To identify measures at a point in time:Naspopharynx:Ordinal:Immunoassay
influenza virus b antigen:presence or threshold:to identify measures at a point in time:naspopharynx:ordinal:immunoassay