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Endemic and epidemic trends of poliomyelitis in Central and South America
An inverse ratio between infant mortality rates and poliomyelitis case rates has been observed rather constantly in some parts of the world. The available data from Latin America have been examined in this connexion and, there also, the ratio seems to hold moderately well. A general supposition both...
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| Materialtyp: | Artigo |
| Språk: | Inglês |
| Publicerad: |
1958
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| Länkar: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2537720/ https://ncbi.nlm.nih.gov/pubmed/13596894 |
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