Is questionnaire information valid in the study of a chronic disease such as diabetes? The Nord-Trøndelag diabetes study. | Journal of Epidemiology & Community Health

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Is questionnaire information valid in the study of a chronic disease such as diabetes? The Nord-Trøndelag diabetes study.

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Cite this article as:: Midthjell K, Holmen J, Bjørndal A, et al

Is questionnaire information valid in the study of a chronic disease such as diabetes? The Nord-Trøndelag diabetes study.

Journal of Epidemiology & Community Health 1992;46:537-542.