Legionella pneumophila Ab^2nd specimen:Titr:Pt:Ser:SemiQn:IF
legionella pneumophila ab^2nd specimen:titr:pt:ser:semiqn:if
Legionella pneumophila Ab^2nd specimen:Titr:Pt:Ser:SemiQn:IF
legionella pneumophila ab^2nd specimen:titr:pt:ser:semiqn:if