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. 2000 Aug;29(4):722-9.
doi: 10.1093/ije/29.4.722.

An introduction to instrumental variables for epidemiologists

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An introduction to instrumental variables for epidemiologists

S Greenland. Int J Epidemiol. 2000 Aug.

Erratum in

Abstract

Instrumental-variable (IV) methods were invented over 70 years ago, but remain uncommon in epidemiology. Over the past decade or so, non-parametric versions of IV methods have appeared that connect IV methods to causal and measurement-error models important in epidemiological applications. This paper provides an introduction to those developments, illustrated by an application of IV methods to non-parametric adjustment for non-compliance in randomized trials.

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