Escherichia coli O157 Ag:PrThr:Pt:Isolate:Ord:LA
escherichia coli o157 ag:prthr:pt:isolate:ord:la
Escherichia coli O157 Antigen:Presence or Threshold:To identify measures at a point in time:Isolate:Ordinal:Latex Agglutination
escherichia coli o157 antigen:presence or threshold:to identify measures at a point in time:isolate:ordinal:latex agglutination