title: Prevalence of obsessive compulsive disorder in first- and multi-episode male patients with schizophrenia-spectrum disorders.
authors.forename: Liezl
authors.initials: L
authors.lastname: Koen
authors.forename: Piet P
authors.initials: PP
authors.lastname: Oosthuizen
authors.forename: Dana J H
authors.initials: DJ
authors.lastname: Niehaus
authors.forename: Robin A
authors.initials: RA
authors.lastname: Emsley
authors.forename: Jacqueline E
authors.initials: JE
authors.lastname: Muller
authors.forename: Dan J
authors.initials: DJ
authors.lastname: Stein
authors.forename: Natasha
authors.initials: N
authors.lastname: Keyter
authors.forename: Christine
authors.initials: C
authors.lastname: Lochner
authors.forename: Soraya
authors.initials: S
authors.lastname: Seedat
mesh_terms: D000328:Adult; D015897:Comorbidity; D003430:Cross-Sectional Studies; D006801:Humans; D008297:Male; D009771:Obsessive-Compulsive Disorder / Q000150:complications / Q000208:ethnology*; D015995:Prevalence; D044469:Racial Groups; D012559:Schizophrenia / Q000150:complications / Q000208:ethnology*; D013019:South Africa / Q000453:epidemiology