Substance use disorders in schizophrenia, bipolar disorder, and depressive illness: a registry-based study

Diagnosing comorbidity in psychiatric hospital: challenging the validity of administrative registers

(2013) Terje Øiesvold et al.   BMC Psychiatry

Daily Use, Especially of High-Potency Cannabis, Drives the Earlier Onset of Psychosis in Cannabis Users

(2013) M. Di Forti et al.   SCHIZOPHRENIA BULLETIN

Classification of bipolar disorder in psychiatric hospital. a prospective cohort study

(2012) Terje Øiesvold et al.   BMC Psychiatry

Involuntary hospitalization of first-episode psychosis with substance abuse during a 2-year follow-up

(2011) A. Opsal et al.   ACTA PSYCHIATRICA SCANDINAVICA

Prevalence and Correlates of Bipolar Spectrum Disorder in the World Mental Health Survey Initiative

(2011) Kathleen R. Merikangas et al.   ARCHIVES OF GENERAL PSYCHIATRY

Excessive substance use in bipolar disorder is associated with impaired functioning rather than clinical characteristics, a descriptive study

(2010) Trine V Lagerberg et al.   BMC Psychiatry

The use of screening instruments for detecting alcohol and other drug use disorders in first-episode psychosis

(2010) Ragnar Nesvåg et al.   PSYCHIATRY RESEARCH

Prevalence of alcohol use disorders in schizophrenia - a systematic review and meta-analysis

(2009) J. Koskinen et al.   ACTA PSYCHIATRICA SCANDINAVICA

Impact of persistent substance misuse on 1-year outcome in first-episode psychosis

(2009) Aidan Turkington et al.   BRITISH JOURNAL OF PSYCHIATRY

Rate of Cannabis Use Disorders in Clinical Samples of Patients With Schizophrenia: A Meta-analysis

(2009) J. Koskinen et al.   SCHIZOPHRENIA BULLETIN

The validity of schizophrenia diagnosis in the Finnish Hospital Discharge Register: Findings from a 10-year birth cohort sample

(2008) Johanna Pihlajamaa et al.   NORDIC JOURNAL OF PSYCHIATRY