Petr Baranov in lab (IMAGE) Mass Eye and Ear Caption Petr Baranov, MD, PhD, (right) has a conversation with a colleague at his lab at the Schepens Eye Research Institute of Mass Eye and Ear in Boston. Credit Mass Eye and Ear Usage Restrictions Use with credit 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.