1. Pediatric Oncall- Kidney Stones in children
Less intake of fluids, urinary infection, congenital anomalies of urinary tract with obstruction, hyperparathyroidism, RTA (renal tubular acidosis) are causes of renal calculi or stones. Commonly these symptoms occur due to urinary tract...
http://www.pediatriconcall.com/forpatients/CommonChild/Urinary_renal.asp

2. eMedicine - Potter Syndrome : Article by Vellore K Sairam, MBBS
Cardiovascular malformations associated with congenital anomalies of the urinary system. Multiple congenital ocular anomalies with bilateral agenesis of the urinary tract. Observations in a series of 453 infants and children with urinary system...
http://www.emedicine.com/ped/topic1878.htm

3. Connecticut Children's Medical Center - Nephrology
The Division provides primary and consultative services to patients with a variety of renal disorders including hematuria, proteinuria, nephrotic syndrome, acute renal failure, recurrent urinary tract infection, congenital renal anomalies...
http://www.ccmckids.org/services/nephrology.asp