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Hay AJ, Gregory V, Douglas AR, Lin YP (2001). „The evolution of human influenza viruses”. Philos. Trans. R. Soc. Lond., B, Biol. Sci.356 (1416), 1861–70. o. DOI:10.1098/rstb.2001.0999. PMID11779385. PMC1088562.
Matsuzaki Y, Sugawara K, Takashita E, Muraki Y, Hongo S, Katsushima N, Mizuta K, Nishimura H (2004). „Genetic diversity of influenza B virus: the frequent reassortment and cocirculation of the genetically distinct reassortant viruses in a community”. J. Med. Virol.74 (1), 132–40. o. DOI:10.1002/jmv.20156. PMID15258979.
Yamashita M, Krystal M, Fitch WM, Palese P (1988). „Influenza B virus evolution: co-circulating lineages and comparison of evolutionary pattern with those of influenza A and C viruses”. Virology163 (1), 112–22. o. DOI:10.1016/0042-6822(88)90238-3. PMID3267218.
Osterhaus AD, Rimmelzwaan GF, Martina BE, Bestebroer TM, Fouchier RA (2000). „Influenza B virus in seals”. Science288 (5468), 1051–3. o. DOI:10.1126/science.288.5468.1051. PMID10807575.
Hay AJ, Gregory V, Douglas AR, Lin YP (2001). „The evolution of human influenza viruses”. Philos. Trans. R. Soc. Lond., B, Biol. Sci.356 (1416), 1861–70. o. DOI:10.1098/rstb.2001.0999. PMID11779385. PMC1088562.
Matsuzaki Y, Sugawara K, Takashita E, Muraki Y, Hongo S, Katsushima N, Mizuta K, Nishimura H (2004). „Genetic diversity of influenza B virus: the frequent reassortment and cocirculation of the genetically distinct reassortant viruses in a community”. J. Med. Virol.74 (1), 132–40. o. DOI:10.1002/jmv.20156. PMID15258979.
Yamashita M, Krystal M, Fitch WM, Palese P (1988). „Influenza B virus evolution: co-circulating lineages and comparison of evolutionary pattern with those of influenza A and C viruses”. Virology163 (1), 112–22. o. DOI:10.1016/0042-6822(88)90238-3. PMID3267218.
Hay AJ, Gregory V, Douglas AR, Lin YP (2001). „The evolution of human influenza viruses”. Philos. Trans. R. Soc. Lond., B, Biol. Sci.356 (1416), 1861–70. o. DOI:10.1098/rstb.2001.0999. PMID11779385. PMC1088562.