Observer Variation In Assessment Of Results Of Surgery For Peptic Ulceration
| Autor: | Hall, Robert, Horrocks, Jane C., Clamp, Susan E., De Dombal, F. T. |
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| Zdroj: | The British Medical Journal, 1976 Apr 01. 1(6013), 814-816. |
| Databáze: | JSTOR Journals |
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