DNA Patches on Gallstones (IMAGE) Cell Press Caption This image shows DNA patches on the surfaces of human gallstones. Scale bar 1cm. Credit Munoz et al./Immunity Usage Restrictions Credit Required. License Licensed content 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.