1. Chen SY, Gibson S, Katz MH, et al. Continuing increases in sexual risk behavior and sexually transmitted diseases among men who have sex with men: San Francisco, Calif, 1999-2001, USA. Am J Public Health. 2002; 92:1387–1388.
2. Ghanem KG. Evaluation and management of syphilis in the HIV-infected patient. Curr Infect Dis Rep. 2010; 12:140–146.
Article