RBC Hitchhikers (IMAGE) University of Pennsylvania School of Medicine Caption Red blood cells can safely transport nano-scale carriers of drugs to chosen organs by targeted placement of intravascular catheters. Credit Perelman School of Medicine, University of Pennsylvania 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.