Rickettsia typhi Ab.IgG^1st specimen:Titr:Pt:Ser:SemiQn:IF
rickettsia typhi ab.igg^1st specimen:titr:pt:ser:semiqn:if
Rickettsia typhi Ab.IgG^1st specimen:Titr:Pt:Ser:SemiQn:IF
rickettsia typhi ab.igg^1st specimen:titr:pt:ser:semiqn:if