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Epidemiology of influenza in Poland, 1947-57
Two systems of influenza reporting in use in Poland are described; one involves weekly reports by the public health laboratories, the other quarterly reports on influenza absenteeism. A third, experimental, system of daily reports is used in Łódź. Data obtained by all three systems are compared in t...
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| Autors principals: | , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
1959
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2537741/ https://ncbi.nlm.nih.gov/pubmed/13651916 |
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