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Samuel Shapiro
Causation, bias and confounding: a hitchhiker's guide to the epidemiological galaxy Part 2. Principles of causality in epidemiological research: confounding, effect modification and strength of association
2008-06-20T09:04:15Z
2024-03-29T05:31:28-07:00
2024-03-29T05:31:28-07:00
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