Escherichia coli verotoxin 2:PrThr:Pt:Stool:Ord
escherichia coli verotoxin 2:prthr:pt:stool:ord
Escherichia coli verotoxin 2:Presence or Threshold:To identify measures at a point in time:Stool:Ordinal
escherichia coli verotoxin 2:presence or threshold:to identify measures at a point in time:stool:ordinal