Rickettsia spotted fever group Ab.IgM^1st specimen:Titr:Pt:Ser:SemiQn:IF
rickettsia spotted fever group ab.igm^1st specimen:titr:pt:ser:semiqn:if
Rickettsia spotted fever group Ab.IgM^1st specimen:Titr:Pt:Ser:SemiQn:IF
rickettsia spotted fever group ab.igm^1st specimen:titr:pt:ser:semiqn:if