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