Lipoprotein.pre-beta:PrThr:Pt:Plr fld:Ord
lipoprotein.pre-beta:prthr:pt:plr fld:ord
Lipoprotein.pre-beta:Presence or Threshold:To identify measures at a point in time:Pleural fluid (thoracentesis fld):Ordinal
lipoprotein.pre-beta:presence or threshold:to identify measures at a point in time:pleural fluid (thoracentesis fld):ordinal