Rickettsia rickettsii DNA:PrThr:Pt:XXX:Ord:Probe.amp.tar
rickettsia rickettsii dna:prthr:pt:xxx:ord:probe.amp.tar
Rickettsia rickettsii DNA [Presence] in Specimen by NAA with probe detection
rickettsia rickettsii dna [presence] in specimen by naa with probe detection