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Sample designs and sampling procedures for the WHO world mental health initiative surveys

Heeringa, Steven G; Mneimneh, Zeina Nazih; Berglund, Patricia A.; Wells, J E; Hubbard, Frost; Chiu, W T; Sampson, N. (2008). Sample designs and sampling procedures for the WHO world mental health initiative surveys. In Kessler, Ronald C., Ustün, T. B. (Ed.), The WHO World Mental Health Surveys : global perspectives on the epidemiology of mental disorders.