Observation:PrThr:Pt:BAL:Ord:Acid fast stain.Ziehl-Neelsen
observation:prthr:pt:bal:ord:acid fast stain.ziehl-neelsen
Observation:Presence or Threshold:To identify measures at a point in time:BAL:Ordinal:Acid fast stain.Ziehl-Neelsen
observation:presence or threshold:to identify measures at a point in time:bal:ordinal:acid fast stain.ziehl-neelsen