Clinical effectiveness and cost-effectiveness of cognitive behavioural therapy as an adjunct to pharmacotherapy for treatment-resistant depression in primary care: the CoBalT rando... oleh Nicola Wiles, Laura Thomas, Anna Abel, Maria Barnes, Fran Carroll, Nicola Ridgway, Sofie Sherlock, Nicholas Turner, Katherine Button, Lang’o Odondi, Chris Metcalfe, Amanda Owen-Smith, John Campbell, Anne Garland, Sandra Hollinghurst, Bill Jerrom, David Kessler, Willem Kuyken, Jill Morrison, Katrina Turner, Chris Williams, Tim Peters, Glyn Lewis