Hippocampal GABA levels correlate with retrieval performance in an associative learning paradigm. - Benjamin Spurny; René Seiger; Philipp Moser; Thomas Vanicek; Murray Bruce Reed; Eva Heckova; Paul Michenthaler; Alim Basaran; Gregor Gryglewski; Manfred Klöbl; Siegfried Trattnig; Siegfried Kasper; et al. (NeuroImage, 2020)