Insulin.free+Bound:PrThr:Pt:Ser/Plas:Ord
insulin.free+bound:prthr:pt:ser/plas:ord
Insulin.free+Bound:Presence or Threshold:To identify measures at a point in time:Serum/Plasma:Ordinal
insulin.free+bound:presence or threshold:to identify measures at a point in time:serum/plasma:ordinal