Salmonella typhi O Ab:PrThr:Pt:Ser:Ord
salmonella typhi o ab:prthr:pt:ser:ord
Salmonella typhi O Antibody:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
salmonella typhi o antibody:presence or threshold:to identify measures at a point in time:serum:ordinal