Characteristics of Subgroups of Individuals With Psychotic Illness and a Comorbid Substance Use Disorder
Helen Miles, B.Sc.(Hons.), M.Sc.; Sonia Johnson, M.Sc., M.R.C.Psych.; Sarah Amponsah-Afuwape, B.Sc.(Hons.), M.Sc.; Emily Finch, M.D., M.R.C.Psych.; Morven Leese, Ph.D.; Graham Thornicroft, F.R.C.Psych., Ph.D.