| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1082826 | Journal of Clinical Epidemiology | 2007 | 9 Pages |
Abstract
Questionnaire-based longitudinal studies make more reliable estimates possible when all the retrospective information is used: the reported age of onset plays a key role and should be accounted for when investigating the natural history of diseases.
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Authors
Cristian Pattaro, Francesca Locatelli, Jordi Sunyer, Roberto de Marco,