Observation:PrThr:Pt:BAL:Ord:Acid fast stain.Ziehl-Neelsen
observation:prthr:pt:bal:ord:acid fast stain.ziehl-neelsen
Microscopic observation Acid fast stain.Ziehl-Neelsen Ql (BAL)
microscopic observation acid fast stain.ziehl-neelsen ql (bal)