Rickettsia rickettsii RNA:PrThr:Pt:Ser:Ord:Probe.amp.tar
rickettsia rickettsii rna:prthr:pt:ser:ord:probe.amp.tar
Rickettsia rickettsii RNA [Presence] in Serum by NAA with probe detection
rickettsia rickettsii rna [presence] in serum by naa with probe detection