M Di Forti, C Morgan, P Dazzan, C Pariante, V Mondelli, T. R Marques, R Handley, S Luzi, M Russo, A Paparelli, A Butt, S. A Stilo, B Wiffen, J Powell and R. M. Murray
The British Journal of Psychiatry 195 ( 6 ): 488 - 491 , 2009