Barrowclough, Christine and Haddock, Gillian and Wykes, Til and Beardmore, Ruth and Conrod, Patricia and Craig, Tom and Davies, Linda and Dunn, Graham and Eisner, Emily and Lewis, Shon and Moring, Jan and Steel, Craig and Tarrier, Nicholas (2010) Integrated motivational interviewing and cognitive behavioural therapy for people with psychosis and comorbid substance misuse: randomised controlled trial. British Medical Journal, 341, (c6325), doi: 10.1136/bmj.c6325.