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The Peripheral Spread of Poliomyelitis Through Rural and Urban Areas: Observations from a Recent Epidemic
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
1947
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2602387/ https://www.ncbi.nlm.nih.gov/pubmed/20245596 |