Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10514313 | Journal of Clinical Epidemiology | 2012 | 8 Pages |
Abstract
The IV estimates of treatment effect may vary considerably depending on the IV definition. Choosing the strongest IV could reduce the variance of the IV estimates.
Keywords
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Authors
Raluca Ionescu-Ittu, Michal Abrahamowicz, Louise Pilote,