National reduction in porcine circovirus type 2 prevalence following introduction of vaccination
Autor: | Dvorak, Cheryl M.T., Yang, Yan, Haley, Charles, Sharma, Nikita, Murtaugh, Michael P. |
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Zdroj: | In Veterinary Microbiology 30 June 2016 189:86-90 |
Databáze: | ScienceDirect |
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