Neisseria meningitidis serogroup A Ag:PrThr:Pt:Isolate:Ord:Aggl
neisseria meningitidis serogroup a ag:prthr:pt:isolate:ord:aggl
Neisseria meningitidis serogroup A Antigen:Presence or Threshold:To identify measures at a point in time:Isolate:Ordinal:Agglutination
neisseria meningitidis serogroup a antigen:presence or threshold:to identify measures at a point in time:isolate:ordinal:agglutination