Leonard Pease, Hedieh Saffari and Gerald Gleich, University of Utah (image) University of Utah Share Print E-Mail Caption University of Utah chemical engineers Leonard Pease and Hedieh Saffari and dermatologist Gerald Gleich mapped white blood cells in the esophagus to show that the current method of biopsying tissue from the esophagus often fails to detect the disease. The engineers are working to develop a better method. Credit Sarah E. Cipriano, University of Utah School of Medicine 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.