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