Efficiency of two-phase methods with focus on a planned population-based case-control study on air pollution and stroke
<p>Abstract</p> <p>Background</p> <p>We plan to conduct a case-control study to investigate whether exposure to nitrogen dioxide (NO<sub>2</sub>) increases the risk of stroke. In case-control studies, selective participation can lead to bias and loss of effi...
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| Main Authors: | , , |
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| Format: | Book |
| Published: |
BMC,
2007-11-01T00:00:00Z.
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| Subjects: | |
| Online Access: | Connect to this object online. |
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Internet
Connect to this object online.3rd Floor Main Library
| Call Number: |
A1234.567 |
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| Copy 1 | Available |