The Power of a Patient's Question (IMAGE) The Ottawa Hospital Caption Jamie Dossett-Mercer (left) asked how all the new oral blood thinners compare to one another. It was a question hematologist and scientist Dr. Marc Carrier (right) of The Ottawa Hospital couldn't answer, so he took it upon himself to find out. The result is a network meta-analysis published in JAMA on Sept., 16, 2014. Credit Ottawa Hospital Research Institute Usage Restrictions Please use only in relation to this study. 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.