A Simple and Improved Correction for Population Stratification in Case-Control Studies

Inference of Population Structure Using Multilocus Genotype Data

Jonathan K. Pritchard, Matthew Stephens, Peter Donnelly · Genetics · 2000 · 34.3K citations · Full text

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The central role of the propensity score in observational studies for causal effects

Paul R. Rosenbaum, Donald B. Rubin · Biometrika · 1983 · 31K citations · Full text

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Principal components analysis corrects for stratification in genome-wide association studies

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Genomic Control for Association Studies

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Reducing Bias in Observational Studies Using Subclassification on the Propensity Score

Paul R. Rosenbaum, Donald B. Rubin · Journal of the American Statistical Association · 1984 · 3.2K citations · Full text

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