Risk factor studies of age-at-onset in a sample ascertained for Parkinson disease affected sibling pairs: a cautionary tale
<p>Abstract</p> <p>An association between exposure to a risk factor and age-at-onset of disease may reflect an effect on the rate of disease occurrence or an acceleration of the disease process. The difference in age-at-onset arising from case-only studies, however, may also reflec...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2007-04-01
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| Series: | Emerging Themes in Epidemiology |
| Online Access: | http://www.ete-online.com/content/4/1/1 |