Astrovirus Ag:PrThr:Pt:Stool:Ord:IA
astrovirus ag:prthr:pt:stool:ord:ia
Astrovirus Antigen:Presence or Threshold:To identify measures at a point in time:Stool:Ordinal:Immunoassay
astrovirus antigen:presence or threshold:to identify measures at a point in time:stool:ordinal:immunoassay