Letters to the Editor.
| Autor: | Petersen, Richard J.1, Jaeger, Stanley S.1, Jacobson, A. P.2, Micozzi, Marc, Landsberg, Gerald3 |
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| Zdroj: | American Journal of Public Health. Sep78, Vol. 68 Issue 9, p907. 2p. |
| Databáze: | Business Source Ultimate |
| Externí odkaz: |
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