Severely mentally ill substance abusers : An 18-month follow-up study
Background: The aims of this study were to investigate initial characteristics and improvement after 18 months in patients with comorbidity of severe mental illness and substance dependence. These patients took part in a multicentre study aimed at improving co-operation between psychiatric health care units and social services. Methods: A total of 358 patients, 66% men, were included. There were f