Nairobi sheep disease virus Ag:PrThr:Pt:XXX:Ord:Comp fix
nairobi sheep disease virus ag:prthr:pt:xxx:ord:comp fix
Nairobi sheep disease virus Antigen:Presence or Threshold:To identify measures at a point in time:Not specified:Ordinal:Complement Fixation
nairobi sheep disease virus antigen:presence or threshold:to identify measures at a point in time:not specified:ordinal:complement fixation