Haemophilus influenzae B Ag:PrThr:Pt:Ser:Ord
haemophilus influenzae b ag:prthr:pt:ser:ord
Haemophilus influenzae B Antigen:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
haemophilus influenzae b antigen:presence or threshold:to identify measures at a point in time:serum:ordinal