| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10513967 | Journal of Clinical Epidemiology | 2012 | 8 Pages |
Abstract
Web-based epidemiologic studies still do not attract the same participants as postal surveys, even in highly industrialized countries. However, after adjusting for this bias, the same results can be expected.
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Authors
Andreas Mayr, Olaf Gefeller, Hans-Ulrich Prokosch, Anna Pirkl, Antje Fröhlich, Martina de Zwaan,