Catechol-O-methyltransferase val158met genotype influences neural processing of reward anticipation. - Katharina Schmack; Florian Schlagenhauf; Philipp Sterzer; Jana Wrase; Anne Beck; Theresa Dembler; Peter Kalus; Imke Puls; Thomas Sander; Andreas Heinz; Jürgen Gallinat (NeuroImage, 2008)