Dr. Laura-Isobel McCall (IMAGE) University of Oklahoma Caption Laura-Isobel McCall, Ph.D., an assistant professor in the Department of Chemistry and Biochemistry, Dodge Family College of Arts and Sciences at the University of Oklahoma, is leading a study to improve understanding of how the molecule carnitine could provide therapeutic benefit for Chagas disease. Credit Photo provided by the University of Oklahoma. Image credit: Travis Caperton. Usage Restrictions 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.