Ecological studies are a poor means of testing aetiological hypotheses (Q33791827)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Ecological studies are a poor means of testing aetiological hypotheses |
scientific article |
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Ecological studies are a poor means of testing aetiological hypotheses (English)
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S Ebrahim
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G D Smith
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1 September 1998
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