| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10514319 | Journal of Clinical Epidemiology | 2012 | 7 Pages |
Abstract
Mainly because of low precision, the agreement on the duration of SA was poor for all three recall periods. The agreement between self-report and registry regarding the occurrence of SA was good.
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Authors
Lars Grøvle, Anne J. Haugen, Anne Keller, Bård Natvig, Jens I. Brox, Margreth Grotle,