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Two novel genetic groups (VIIb and VIII) responsible for recent Newcastle disease outbreaks in Southern Africa, one (VIIb) of which reached Southern Europe

Crossref DOI link: https://doi.org/10.1007/s007050050624

Published Online: 2014-05-20

Published Print: 1999-11

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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