Chlamydia trachomatis Ab^1st specimen:PrThr:Pt:Ser:Ord
chlamydia trachomatis ab^1st specimen:prthr:pt:ser:ord
Chlamydia trachomatis Antibody^1st specimen:Presence or Threshold:To identify measures at a point in time:Serum:Ordinal
chlamydia trachomatis antibody^1st specimen:presence or threshold:to identify measures at a point in time:serum:ordinal