Hyperpolarized [1,4-13C2]fumarate enables magnetic resonance-based imaging of myocardial necrosis by Miller, J, Lau, A, Nielsen, P, McMullen-Klein, G, Lewis, A, Jespersen, N, Ball, V, Gallagher, F, Carr, C, Laustsen, C, Bøtker, H, Tyler, D, Schroeder, M