3D cardiac Chemical Shift Imaging of [1-13C] hyperpolarized acetate and pyruvate in pigs by Menichetti Luca, Frijia Francesca, Flori Alessandra, Lionetti Vincenzo, Liserani Matteo, Giovannetti Giulio, Bianchi Giacomo, Romano Simone L, Positano Vincenzo, Ardenkjaer-Larsen Jan, Schulte Rolf F, Recchia Fabio A, Landini Luigi, Santarelli Maria, Lombardi Massimo