Drs. Lee, Gretzer, Kim and Hinkel, University of Arizona Health Sciences (image) University of Arizona Health Sciences Share Print E-Mail Caption UA surgeons are studying a new technique to detect urine blockage. From left to right: Benjamin Lee, M.D.; Matthew Gretzer, M.D.; Sunchin Kim, M.D.; and Cameron Hinkel, M.D. Credit Nadia Whitehead, University of Arizona College of Medicine - Tucson Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.