Chia-Ying James Lin (IMAGE) University of Cincinnati Caption Chia-Ying James Lin injects a needle into a model of a joint. Credit Photo/Colleen Kelley/UC Creative + Brand Usage Restrictions None 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.