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