Interaction of hippocampal volume and N-acetylaspartate concentration deficits in schizophrenia: A combined MRI and 1H-MRS study. - Andreas Arthur Klär; Martina Ballmaier; Karolina Leopold; Ines Häke; Martin Schaefer; Rüdiger Brühl; Florian Schubert; Jürgen Gallinat (NeuroImage, 2010)