5. Urethritis: MedlinePlus Medical Encyclopedia
High-risk sexual behavior (such as anal sex without a condom) History of sexually transmitted diseases; Male, ages 20 - 35; Many sexual partners; Young women in their reproductive years;
MedlinePlus (Offsite)

6. Preventing Chronic Disease: General Information
Preventing Chronic Disease (PCD) is published six times a year in January, March, May, July, September, and November. We may post articles in advance of official publication.
Centers for Disease Control and Prevention

7. Urethritis and Cervicitis-STD Treatment Guidelines 2006
Sexually Transmitted Diseases   >   Treatment Guidelines   >  Sexually Transmitted Diseases Treatment Guidelines 2006
Centers for Disease Control and Prevention

8. Urethritis - chronic
Chronic urethritis is long-term swelling and irritation (inflammation) of the urethra, the tube that carries urine from the body. This inflammation continues for weeks to months.
www.uhseast.com

9. Chlamydial Urethritis - Male - Symptoms, Diagnosis, Treatment of Chlamydial Urethritis - Male - NY Times Health Information
Chlamydial urethritis is a sexually transmitted disease involving infection of the urethra (the tube that drains urine from the bladder).
health.nytimes.com

10. Urethritis, Male: eMedicine Emergency Medicine
Urethral discharge, dysuria, and exposure to a sexually transmitted disease (STD) are frequent presentations of urethritis in the male population presenting to the ED. Recent research has focused on cost-effective antibiotic therapy with min...
emedicine.medscape.com