From the Centers for Disease Control and Prevention. Evaluation of surveillance for Chlamydia trachomatis infections in the United States, 1987 to 1991.
D002690:Chlamydia Infections / Q000453:epidemiology*; D002692:Chlamydia trachomatis; D006801:Humans; D007878:Legislation as Topic; D011159:Population Surveillance; D014481:United States / Q000453:epidemiology