the prevalence of chlamydia trachomatis , ureaplasma urealyticum , mycoplasma hominis , group b streptococcus , herpes simplex virus , and neisseria gonorrhoeae from cervical cultures obtained from 210 women seeking abortion in pittsburgh , pennsylvania , united states of america was 9.3 % , 72.9 % , 25.2 % , 4.3 % , 0.9 % , and 0.9 % respectively .
C0030853
pennsylvania
C0041703
united states of america