Feline leukemia virus Ab:PrThr:Pt:Ser:Ord
feline leukemia virus ab:prthr:pt:ser:ord
Feline leukemia virus Antibody:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
feline leukemia virus antibody:presence or threshold:to identify measures at a point in time:serum:ordinal