Substance abuse and related diagnoses in early psychosis3–4Korkeila, J ASvirskis, THeinimaa, MAuthor informationUniv of Turku, Finland; Univ of Yale, New Haven, ConnCompr Psychiatry 46:447–452, 2005Year Book of Psychiatry & Applied Mental Health 2007:p 91, 2007.Copyright © 2007Elsevier, Inc.