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Si, Y., T. Wang, A. K. Skidmore, W. F. De Boer, L. Li, and H. H. T. Prins. 2010. Environmental factors influencing the spread of the highly pathogenic avian influenza H5N1 virus in wild birds in Europe. Ecology and Society 15(3): 26. https://doi.org/10.5751/ES-03622-150326
Si et al. (Fri,) studied this question.
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