3Colin R P,PerH,Willian J F,et al.The global spread and replacement of caine parvovirus strains[J]. J genvirol,1988,68:1111-1116.
4Goto H.Biological and physical comparison of mink enertis virus with feline panteulopenia virus and canine parvorirus[J].Jap J VET Sci, 1986,48(5):1025-1028.