USask pharmacologist Robert Laprairie. (IMAGE) University of Saskatchewan Caption USask pharmacologist Robert Laprairie. Credit Robert Laprairie/USask Usage Restrictions Only to be used in conjunction with this news release. 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.