Escherichia coli O157 DNA:PrThr:Pt:Stool:Ord:Probe.amp.tar
escherichia coli o157 dna:prthr:pt:stool:ord:probe.amp.tar
Escherichia coli O157 DNA [Presence] in Stool by NAA with probe detection
escherichia coli o157 dna [presence] in stool by naa with probe detection