Observation:Prid:Pt:Gast fld:Nom:Acid fast stain.Ziehl-Neelsen
observation:prid:pt:gast fld:nom:acid fast stain.ziehl-neelsen
Observation:Presence or Identity:To identify measures at a point in time:Gastric fluid/contents:Nominal:Acid fast stain.Ziehl-Neelsen
observation:presence or identity:to identify measures at a point in time:gastric fluid/contents:nominal:acid fast stain.ziehl-neelsen