A cluster randomised controlled trial of a manualised cognitive–behavioural anger management intervention delivered by supervised lay therapists to people with intellectual disabil... oleh P Willner, J Rose, A Jahoda, B Stenfert Kroese, D Felce, P MacMahon, A Stimpson, N Rose, D Gillespie, J Shead, C Lammie, C Woodgate, JK Townson, J Nuttall, D Cohen, K Hood