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Navot N, Pichersky E, Zeidan M, Zamir D, Czosnek H.Navot N, et al.Virology. 1991 Nov;185(1):151-61. doi: 10.1016/0042-6822(91)90763-2.Virology. 1991.PMID: 1926771Free article.
Tsurudome M, Bando H, Kawano M, Matsumura H, Komada H, Nishio M, Ito Y.Tsurudome M, et al.Virology. 1991 Sep;184(1):93-100. doi: 10.1016/0042-6822(91)90825-v.Virology. 1991.PMID: 1651608
Tam AW, Smith MM, Guerra ME, Huang CC, Bradley DW, Fry KE, Reyes GR.Tam AW, et al.Virology. 1991 Nov;185(1):120-31. doi: 10.1016/0042-6822(91)90760-9.Virology. 1991.PMID: 1926770Free PMC article.