Showing 901 - 920 results of 954 for search '"infectivity"', query time: 0.04s Refine Results
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    VIRULENCE OF INFECTIOUS CORYZA CAUSATIVE AGENT ISOLATES by V. A. Evgrafova, A. V. Potekhin

    Published 2018-04-01
    Subjects: “…infectious coryza (haemophilus infection) in chickens…”
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    Article
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    Import of Russian regions under conditions of COVID-19 by S. S. Krasnykh

    Published 2021-11-01
    Subjects: “…coronavirus infection…”
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