Chlamydia trachomatis Ab:Titr:Pt:Ser:SemiQn:Comp fix
chlamydia trachomatis ab:titr:pt:ser:semiqn:comp fix
Chlamydia trachomatis Ab [Titer] in Serum by Complement fixation
chlamydia trachomatis ab [titer] in serum by complement fixation