National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases. Pyelonephritis (kidney infection) in adults. http://kidney.niddk.nih.gov/kudiseases/pubs/pyelonephritis/. 2012. Accessed January 9, 2015.
National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases. Kidney stones in adults. http://kidney.niddk.nih.gov/kudiseases/pubs/stonesadults/. 2012. Accessed January 9, 2015.
National Kidney Foundation. Kidney stones. http://www.kidney.org/atoz/content/kidneystones.cfm. 2012. Accessed January 12, 2015.
Schade G, Faerber G. 2010. Urinary tract stones. Primary Care: Clinics in Office Practice , 37(3), 565-581. Philadelphia: Elsevier.
Taal M et al. 2011. Brenner and Rector's the kidney [9th ed.]. Philadelphia: Elsevier Saunders.