Fibronectin.fetal:PrThr:Pt:Vag:Ord
fibronectin.fetal:prthr:pt:vag:ord
Fibronectin.fetal:Presence or Threshold:To identify measures at a point in time:Vagina:Ordinal
fibronectin.fetal:presence or threshold:to identify measures at a point in time:vagina:ordinal