Phil Wells, The Ottawa Hospital (IMAGE) The Ottawa Hospital Caption Dr. Phil Wells (The Ottawa Hospital, University of Ottawa) helped lead a study that provides the first approach for safely preventing blood clots (or venous thromboembolism) in people with cancer. Credit The Ottawa Hospital Usage Restrictions Only for use in stories about this research. 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.