Cognitive–behavioural therapy for clozapine-resistant schizophrenia: the FOCUS RCT oleh Anthony P Morrison, Melissa Pyle, Andrew Gumley, Matthias Schwannauer, Douglas Turkington, Graeme MacLennan, John Norrie, Jemma Hudson, Samantha Bowe, Paul French, Paul Hutton, Rory Byrne, Suzy Syrett, Robert Dudley, Hamish J McLeod, Helen Griffiths, Thomas RE Barnes, Linda Davies, Gemma Shields, Deborah Buck, Sarah Tully, David Kingdon