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Craig, Tom K.J, Mar Rus-Calafell, Thomas Ward, Miriam Fornells-Ambrojo, Paul McCrone, Richard Emsley, and Philippa Garety. "The Effects of an Audio Visual Assisted Therapy Aid for Refractory Auditory Hallucinations (AVATAR Therapy): Study Protocol for a Randomised Controlled Trial." Trials 2015.

Craig, Tom K.J, et al. "The Effects of an Audio Visual Assisted Therapy Aid for Refractory Auditory Hallucinations (AVATAR Therapy): Study Protocol for a Randomised Controlled Trial." Trials 2015.