Chlamydia trachomatis Ab:PrThr:Pt:Ser:Ord:Comp fix
chlamydia trachomatis ab:prthr:pt:ser:ord:comp fix
Chlamydia trachomatis Antibody:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal:Complement Fixation
chlamydia trachomatis antibody:presence or threshold:to identify measures at a point in time:serum:ordinal:complement fixation