AllExperts Nephrology Q&A Experts volunteer to answer questions related to kidney disease. http://www.allexperts.com/getExpert.asp?Category=975

The Bartter Site Provides information about the rare kidney diseases Bartter's and Gitelman's Syndromes. Links to support group for patients and email list for doctors. http://www.barttersite.com/

Centre for Kidney Research Located at the Children's Hospital at Westmead, NSW Australia. Includes abstracts, projects, lectures, publications, links and contact details. http://www.kidney-research.org

Genes Involved in Focal Segmental Glomerulosclerosis and Nephrotic Syndrome The Laboratory of Inherited Kidney Disease at the Harvard Medical School and Brigham and Women's Hospital is conducting research to identify genes involved in the development of focal segmental glomerulosclerosis and nephrotic syndrome. http://www.brighamandwomens.org/patient/researchGroupDetails.asp?dept_id=38&res_group_id=7681&rso_abbrev=bwh

Helpline for Kidney Diseases A free site for patient education and guidance regarding ailments of kidney, prostate, and urinary disorders. Online self diagnosis or submission of the problem to multiple experts who can reply by e-mail. http://www.geocities.com/urologyhelpline

Kidney Dictionary Index From NIDDK, a list of words that are often used in talking or writing about kidney diseases. http://www.niddk.nih.gov/health/kidney/pubs/kudict/kudict.htm

National Kidney Foundation of Southern California Contains program information, online memorial donations, online KidneyCar donations, and brochure order forms. http://www.kidneysocal.org

Pyelonephritis Hub Links to information and resources. http://www.knowdeep.org/pyelonephritis

Glomerular diseases Information and resources for rare diseases of the glomeruli in the kidneys, such as glomerulonephritis and glomerulosclerosis. http://rarediseases.about.com/health/rarediseases/cs/glomerulardisease/index.htm

The Merck Manual A description of nephritic syndrome with a look at its acute stage, the etiology, signs, symptoms, diagnosis, prognoses and treatment. Also includes crescentic glomerulonephritis and chronic nephritic syndrome. http://www.merck.com/pubs/mmanual/section17/chapter224/224b.htm

The National Kidney and Urologic Diseases Information Clearinghouse A detailed discussion about the kidneys and how glomerular diseases interfere with their functions. Also the symptoms, diagnoses and causes. http://www.niddk.nih.gov/health/kidney/pubs/glomer/glomer.htm

Renal Pathology Tutorial A list of clinical presentations of glomerular diseases. http://www.gamewood.net/rnet/renalpath/ch2.htm

eMedicine Health Consumer health resource center providing an overview of acute kidney failure and its causes, symptoms and treatment. http://www.emedicinehealth.com/Articles/11868-1.asp

UrologyHealth.org The American Urological Association's online patient information resource written and reviewed by urology experts. http://www.urologyhealth.org