| "hidden" sexually transmitted infections among women in primary care health services, amazonas, brazil. | this study describes the prevalence of infection by chlamydia trachomatis, neisseria gonorrhoeae and trichomonas vaginalis in a female population in amazonas, brazil. we collected cervical samples from 361 women examined at 10 primary care health services in the city of coari, amazonas, brazil. the women were interviewed about socio-economic data, clinical history and sexual behaviour. pelvic examinations were performed and cervical specimens were collected for detection of pathogens by pcr. the ... | 2014 | 24567444 |