Escherichia coli O157 Ag:PrThr:Pt:Isolate:Ord:LA
escherichia coli o157 ag:prthr:pt:isolate:ord:la
Escherichia coli O157 Ag [Presence] in Isolate by Latex agglutination
escherichia coli o157 ag [presence] in isolate by latex agglutination