Reversion to virulence of a subtype B avian metapneumovirus vaccine: Is it time for regulators to require availability of vaccine progenitors?
| Autor: | Cecchinato, M., Catelli, E., Lupini, C., Ricchizzi, E., Prosperi, S., Naylor, C.J. |
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| Zdroj: | In Vaccine 6 August 2014 32(36):4660-4664 |
| Databáze: | ScienceDirect |
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Full Text from ScienceDirect