Wistar researchers in the Lieberman lab. (IMAGE) The Wistar Institute Caption Wistar researchers (L-R) Drs. Samantha Soldan and Paul Lieberman Credit The Wistar Institute Usage Restrictions N/A License Original 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.