Correspondence
| Autor: | Lockhart, Leonard P., Practitioner, Insuring, Nicholson, J. C., Gray, F., Pasmore, H. Stephen, Orr, H. Campbell, Selby, H. J. |
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| Zdroj: | The British Medical Journal, 1938 Dec . 2(4067), 378-380. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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