Cite
HARVARD Citation
Shapiro, S. (2008). Causation, bias and confounding: a hitchhiker's guide to the epidemiological galaxy.. Journal of family planning and reproductive health care. 34 (2), pp. 81-82. [Online].
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Shapiro, S. (2008). Causation, bias and confounding: a hitchhiker's guide to the epidemiological galaxy.. Journal of family planning and reproductive health care. 34 (2), pp. 81-82. [Online].