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Bird flu spreads to China
The World Health Organization warns that a safe cull of birds is needed.
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Nature Publishing Group UK
2004
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7095285/ http://dx.doi.org/10.1038/news040126-7 |