Virna Sales, Children's Hospital Boston (IMAGE) Boston Children's Hospital Caption Virna Sales, M.D., hopes to repair heart defects with living, growing tissue. Credit Photo by Patrick Bibbins, Children's Hospital Boston. Usage Restrictions Please credit as indicated. 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.