Johnnie Bass (IMAGE) St. Jude Children's Research Hospital Caption Johnnie Bass, Ph.D., of St. Jude Children's Research Hospital Rehabilitation Services Credit St. Jude Children's Research Hospital Usage Restrictions None 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.