title: Changes in the state-level distribution of primary and secondary syphilis in the USA, 1985-2007.
authors.affiliation: Division of STD Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, USA. hchesson@cdc.gov
authors.forename: Harrell W
authors.initials: HW
authors.lastname: Chesson
authors.forename: Maya
authors.initials: M
authors.lastname: Sternberg
authors.forename: Jami S
authors.initials: JS
authors.lastname: Leichliter
authors.forename: Sevgi O
authors.initials: SO
authors.lastname: Aral