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polytropic murine leukemia virus 24
polytropic murine leukemia virus 45
xenotropic-MCF leukemia virus 74
xenotropic-MCF leukemia virus 36
xenotropic-MCF leukemia virus 9
GLN retrotransposon family 3-5
mammary tumor virus locus 39
mammary tumor virus locus 27
endogenous ecotropic MuLV 59
endogenous ecotropic MuLV 52