AJR Announces Historic Impact Factor Increase (IMAGE) American Roentgen Ray Society Caption Founded in 1907, the American Journal of Roentgenology (AJR) is the world’s longest continuously published general radiology journal. Credit Content may only be used with appropriate caption or credit. Usage Restrictions American Roentgen Ray Society (ARRS), American Journal of Roentgenology (AJR) 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.