Alkaline phosphatase.placental:PrThr:Pt:Ser/Plas:Ord
alkaline phosphatase.placental:prthr:pt:ser/plas:ord
Alkaline phosphatase.placental:Presence or Threshold:To identify measures at a point in time:Serum/Plasma:Ordinal
alkaline phosphatase.placental:presence or threshold:to identify measures at a point in time:serum/plasma:ordinal