Links These links are provided for patient informational purposes only. No endorsement is made of any content you choose to access through these links. American Urological Association American Registry of Radiologic Technologists American Society of Radiologic Technologists HealthTronics, Inc. HealthTronics Laboratory Solutions Clinical Guidelines for the Management of Ureteral Calculi (2007) Report on the Management of Staghorn Calculi (2005) European Association of Urology (EAU) Guidelines on Urolithiasis The Prostate Decision