Observation^2nd specimen:PrThr:Pt:Sputum:Ord:Acid fast stain
observation^2nd specimen:prthr:pt:sputum:ord:acid fast stain
Observation^2nd specimen:Presence or Threshold:To identify measures at a point in time:Sputum:Ordinal:Acid fast stain
observation^2nd specimen:presence or threshold:to identify measures at a point in time:sputum:ordinal:acid fast stain