Cancer Ag 27-29:PrThr:Pt:Ser/Plas:Ord
cancer ag 27-29:prthr:pt:ser/plas:ord
Cancer Antigen 27-29:Presence or Threshold:To identify measures at a point in time:Serum/Plasma:Ordinal
cancer antigen 27-29:presence or threshold:to identify measures at a point in time:serum/plasma:ordinal