Escherichia coli verotoxin 1:PrThr:Pt:Stool:Ord
escherichia coli verotoxin 1:prthr:pt:stool:ord
Escherichia coli verotoxin 1:Presence or Threshold:To identify measures at a point in time:Stool:Ordinal
escherichia coli verotoxin 1:presence or threshold:to identify measures at a point in time:stool:ordinal