2Artois M, Depner K R, Guberti V, et al. Classical swine fever (hog cholera) in wild boar in Europe[J]. Rev Sci Tech, 2002, 21(2) :287-303.
3Segales J, Domingo M. Postweaning multisystemic wasting syndrome(PMWS) in pigs[J ]. Vet Q, 2002,24:109-124.
4Hennecken M, Stegeman J A, Elbers A R, et al. Transmis- sion of classical swine fever virus by artificial insemination dur- ing the1997-1998 epidemic in The Netherlands: a descriptive epidemiological study[J]. Vet Q, 2000,22 (4) : 228-233.