1

modified polytropic murine leukemia virus 25
modified polytropic murine leukemia virus 16
modified polytropic murine leukemia virus 42
modified polytropic murine leukemia virus 6
Moloney MuLV integration site, EC cells, b
polytropic murine leukemia virus 21
xenotropic murine leukemia virus 41
xenotropic murine leukemia virus 32
xenotropic murine leukemia virus 21
polytropic murine leukemia virus 44