Montag, C., Brockmann, E.M., Lehmann, A, Müller, D.J., Rujescu, D. & Gallinat, J. (2012). Association between oxytocin receptor gene polymorphisms and self-rated ‘empathic concern’ in Schizophrenia. PLoS ONE 7(12), e51882. http://doi.org/10.1371/journal.pone.0051882