Changes in the state-level distribution of primary and secondary syphilis in the USA, 1985-2007.
Chesson
Harrell W
HW
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
Sternberg
Maya
M
Leichliter
Jami S
JS
Aral
Sevgi O
SO