1. Urethritis in males;Martin,2008
2. Sexually transmitted infections treatment guidelines, 2010;Centers for Disease Control and Prevention;MMWR Recomm Rep,2010
3. Sexually Transmitted Disease Surveillance, 2008;Centers for Disease Control and Prevention,2009
4. Chlamydial and gonococcal infection in men without polymorphonuclear leukocytes on Gram stain: implications for diagnostic approach and management;Geisler;Sex Transm Dis,2005
5. Etiologies of nongonococcal urethritis: bacteria, viruses, and the association with orogenital exposure;Bradshaw;J Infect Dis,2006