Genetic association and gene-environment interaction: a new method for overcoming the lack of exposure information in controls.

Abstract excerpt

The use of a reference control panel in genome-wide association studies is an interesting solution to the problem of how to reduce costs. In such designs, data on relevant environmental factors are usually collected only in cases, making it more difficult to deal with potential gene-environment interactions when testing for genetic association. However, under certain circumstances, neglecting an existing...

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