Dr. Roger Preston, RCSI (IMAGE) RCSI Caption This is Dr. Roger Preston, Lecturer in Vascular Biology at the Irish Centre for Vascular Biology and Department of Molecular and Cellular Therapeutics, RCSI, who is leading a study in collaboration with Bayer to improve treatments for people with severe haemophilia. Credit Julien Behal Photography 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.