Incidence and clinical correlates of aggression and violence at presentation in patients with first episode psychosis - Foley, Sharon R.; Kelly, Brendan D.; Clarke, Mary; McTigue, Orfhlaith; Gervin, Maurice; Kamali, Moyyad; Larkin, Conall; O'Callaghan, Eadbhard; Browne, Stephen (Schizophrenia Research, 2005)