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