Michalopoulou, P.G. Surguladze, S. Morley, L.A. Giampietro, V.P. Murray, R.M. Shergill, S.S., Facial fear processing and psychotic symptoms in schizophrenia: Functional magnetic resonance imaging study, The British Journal of Psychiatry, (192), 191-196, 2008, 0007-1250, 1472-1465