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