1Chen XS, Gong XD, Liang GJ, et al. Epidemiologic trends of sexually transmitted disease in China. Sex Transm Dis 2000; 27:138 -142.
2Gruber F, Kastelan M, Cabrijan L, et al.Treatment of early syphilis with azithromycin.J Chemother 2000;12:240- 243.
3Hook EW3rd, Stephens J, Ennis DM. Azithromycin compared with penicillin G benzathin for treatment of incubating syphilis. Ann Intern Med 1999; 131:434.
