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mammary tumor virus locus 49
mammary tumor virus locus 48
mammary tumor virus locus 47
mammary tumor virus locus 46
mammary tumor virus locus 26
mammary tumor virus locus 25
mammary tumor virus locus 24
endogenous ecotropic MuLV 61
endogenous ecotropic MuLV 40
endogenous ecotropic MuLV 10