Correspondence
| Autor: | Woods, R. Salisbury, Jamieson, J., Goldthorpe, A. M., Stewart, Charles D., Fox, G. N., Pybus, S. T., Graham, N., Hale, Geoffrey, Mackay, John |
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| Zdroj: | The British Medical Journal, 1956 Jul . 2(4986), 86-88. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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