Astrovirus:PrThr:Pt:Stool:Ord:Microscopy.electron
astrovirus:prthr:pt:stool:ord:microscopy.electron
Astrovirus:Presence or Threshold:To identify measures at a point in time:Stool:Ordinal:Microscopy.electron
astrovirus:presence or threshold:to identify measures at a point in time:stool:ordinal:microscopy.electron