title: Psychotic illness in ethnic groups. Accuracy of variables describing ethnic minority groups is important.
authors.forename: K
authors.initials: K
authors.lastname: McKenzie
mesh_terms: D015986:Confounding Factors, Epidemiologic; D006801:Humans; D008131:London / Q000453:epidemiology; D011618:Psychotic Disorders / Q000208:ethnology*; D012680:Sensitivity and Specificity