Alpha-Phenyl-2-Piperidine acetate:PrThr:Pt:Gast fld:Ord
alpha-phenyl-2-piperidine acetate:prthr:pt:gast fld:ord
Alpha-Phenyl-2-Piperidine acetate:Presence or Threshold:To identify measures at a point in time:Gastric fluid/contents:Ordinal
alpha-phenyl-2-piperidine acetate:presence or threshold:to identify measures at a point in time:gastric fluid/contents:ordinal