Tang, J., Jun Huang, X., Lin, Z., Huang, Z., Liu , Y. and Tang, D. 1997. Detection of Chlamydia trachomatis by the Polymerase Chain Reaction in the Cervices of Women with Pelvic Inflammatory Disease. Thai Journal of Obstetrics and Gynaecology. 9, 1 (Mar. 1997), 33–37.