Cervical infection with Chlamydia trachomatis and Neisseria gonorrhoeae in women from ten areas in four continents. A cross-sectional study

Franceschi S, Smith JS, van den Brule A, Herrero R, Arslan A, Anh P-T-H, Bosch FX, Hieu N-T, Matos E, Posso H, Qiao Y-L, Shin H-R, Sukvirach S, Thomas JO, Snijders PJF, Muñoz N, Meijer CJLM. Cervical infection with Chlamydia trachomatis and Neisseria gonorrhoeae in women from ten areas in four continents. A cross-sectional study. Sex Transm Dis. 2007; 34(8): 563-9.