title: Commentary: Two-phase surveys. A death is announced; no flowers please.
authors.affiliation: Institute of Psychiatry, De Crespigny Park, London SE5 8AF, UK. m.prince@iop.kcl.ac.uk
authors.forename: Martin
authors.initials: M
authors.lastname: Prince
mesh_terms: D015340:Epidemiologic Research Design; D006306:Health Surveys; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology; D015995:Prevalence; D012680:Sensitivity and Specificity