Coxiella burnetii Ag:PrThr:Pt:Placenta:Ord
coxiella burnetii ag:prthr:pt:placenta:ord
Coxiella burnetii Antigen:Presence or Threshold:To identify measures at a point in time:Placenta:Ordinal
coxiella burnetii antigen:presence or threshold:to identify measures at a point in time:placenta:ordinal