4-Hydroxybenzoate:PrThr:Pt:Urine:Ord
4-hydroxybenzoate:prthr:pt:urine:ord
4-Hydroxybenzoate:Presence or Threshold:To identify measures at a point in time:Urine:Ordinal
4-hydroxybenzoate:presence or threshold:to identify measures at a point in time:urine:ordinal