University of Maryland Urologic Surgery Division 
Offers a clear and comprehensive explanation of urinary system anatomy and diseases such as kidney stones and impotence with links to related Medical Center services.
http://www.umm.edu/urology-info/Ditropan XL 
Medication for the treatment of bladder control problems/overactive bladder. Features interactive patient content and an animated explanation of patented OROS (once-a-day) technology.
http://www.ditropanxl.com
Urology Department at Loyola University Medical Center 
Provides a comprehensive description of the department with a full range of services for children and adults with concerns or problems of the urinary tract or male reproductive system. (Maywood, IL)
http://www.luhs.org/urology
About Urology 
Comprehensive collection of urology resources on the Web. From About.com.
http://urology.about.com
Lithotripsy (Kidney stone treatment) 
All details about lithotripsy, lithotripters, some interesting cases, FAQs, precautions, indications, contraindications, pre-requisites, results.
http://www.geocities.com/HotSprings/Villa/5556/
Global Lithotripsy Services 
A medical services company specializing in the treatment of urinary stone disease via Extracorporeal Shockwave Lithotripsy (ESWL).
http://www.gls-lithotripsy.com/
Muljibhai Patel Urological Hospital 
MPUH is one of its kind in Asia and the first hospital in the country devoted entirely to Nephrology and Urology. Includes information about services, training, research and case studies.
http://www.mpuh.org
DrRajMD.com 
Providing physician monitored information on all urological conditions such as, vasectomy, prostate cancer, erectile dysfunction, BPH, kidney conditions, urinary incontinence.Patient education with text, illustration, animation, and streaming video.
http://www.drrajmd.com
MedlinePlus Interactive Tutorials: TURP 
Offers a multimedia presentation with questions, another version without questions, and a printer-friendly text version.
http://www.nlm.nih.gov/medlineplus/tutorials/turp/htm/index.htm
MayoClinic.com: Transurethral resection of the prostate (TURP) 
Surgery for an enlarged prostate — what to expect, who it's best for and outcomes.
http://www.mayoclinic.com/health/turp/BP00018
BUPA UK: Having Prostate Surgery (TURP) 
Facts to help a man make an informed decision. Includes alternatives to surgery and describes the treatment, possible side-effects, and possible complications of the operation
http://hcd2.bupa.co.uk/fact_sheets/html/TURP.html