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Causation, bias and confounding: a hitchhiker's guide to the epidemiological galaxy.: Part 1. Principles of causality in epidemiological research: time order, specification of the study base and specificity. Issue 2 (1st April 2008)
Record Type:
Journal Article
Title:
Causation, bias and confounding: a hitchhiker's guide to the epidemiological galaxy.: Part 1. Principles of causality in epidemiological research: time order, specification of the study base and specificity. Issue 2 (1st April 2008)
Main Title:
Causation, bias and confounding: a hitchhiker's guide to the epidemiological galaxy.