Ralph E. Hurd, Yi-Fen Yen, Dirk Mayer, Albert Chen, David Wilson, Susan Kohler, Robert Bok, Daniel Vigneron, John Kurhanewicz, James Tropp, Daniel Spielman, and Adolf Pfefferbaum. “Metabolic imaging in the anesthetized rat brain using hyperpolarized [1-13C] pyruvate and [1-13C] ethyl pyruvate.” Magnetic Resonance in Medicine, 63, 5, Pp. 1137–1143.