Treponema pallidum Ab:PrThr:Pt:Ser^Donor:Ord
treponema pallidum ab:prthr:pt:ser^donor:ord
Treponema pallidum Antibody:Presence or Threshold:To identify measures at a point in time:Serum^Donor:Ordinal
treponema pallidum antibody:presence or threshold:to identify measures at a point in time:serum^donor:ordinal