Bacillus anthracis Ab^2nd specimen:Titr:Pt:Ser:SemiQn:IA
bacillus anthracis ab^2nd specimen:titr:pt:ser:semiqn:ia
Bacillus anthracis Ab [Titer] in Serum by Immunoassay --2nd specimen
bacillus anthracis ab [titer] in serum by immunoassay --2nd specimen