Carbon-13 (C13) Hyperpolariser (IMAGE) SingHealth Caption Assoc Prof Calvin Chin, Director of Cardiac Magnetic Resonance Imaging, NHCS, with the C-13 Hyperpolariser Click for the hi-res version of the image. Credit National Heart Centre Singapore Usage Restrictions For use only when article is cited 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.