Legionella pneumophila Ag:PrThr:Pt:Respiratory system specimen.lower:Ord:IF
legionella pneumophila ag:prthr:pt:respiratory system specimen.lower:ord:if
Legionella pneumophila Ag:PrThr:Pt:Respiratory system specimen.lower:Ord:IF
legionella pneumophila ag:prthr:pt:respiratory system specimen.lower:ord:if