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Prevalence, incidence, and epidemiological features of poliomyelitis in the Yemen Arab Republic
There is a lack of reliable information on the extent of the poliomyelitis problem in developing countries, although the disease is thought to be more of a threat in urban than in rural areas. The Expanded Programme on Immunization (EPI) began operations in Yemen in 1977, and it was considered appro...
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| Hlavní autoři: | , , , , , |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
1983
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2536120/ https://ncbi.nlm.nih.gov/pubmed/6602665 |
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