Boursnell et al., 1990: Boursnell ME, Green PF, Samson AC, Campbell JI, Deuter A, Peters RW, Millar NS, Emmerson PT, Binns MM. A recombinant fowlpox virus expressing the hemagglutinin-neuraminidase gene of Newcastle disease virus (NDV) protects chickens against challenge by NDV. Virology. 1990; 178(1); 297-300. [PubMed: 2167557].
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