5Tischer I,Gelderblom H,Vettermann W,et al.A very small porcine virus with circular single-stranded DNA[J].Nature,1982,295:64-66.
6Brian M Meehan,Francis M,Daniel T,et al.Characterization of novel circovirus DNAs associated with wasting syndromes in pigs[J].Journal of General Virology,1998,79:2171-2179.
7Tischer l,Rasch R,Tochtermann G.Characterization of papovavirus-and picoruavirus-like particles in permanent pig kidney cell lines[J].Zentralblatt fur Bakteriologie (Reihe B),1974,226:153-167.
8Tischer I,Mields W,Wolff D,et al.Studies on epidemiology and pathogenicity of porcine circovirus.Archives[J].of Virology,1986,91:271-276.
9Harding J C.Post-weaning multisystemic wasting syndrome (PMWS):preliminary epidemiology and clinical presentation[J].Proc Am Assoc Swine Pract,1997:503.
10Grau-Roma L,Crisci E,Sibila M,et al.A proposal on porcine circovirus type 2 (PCV2) genotype definition and their relation with postweaning muhisystemic wasting syndrome (PMWS)occurrence[J].Veterinary Microbiolog.2008,128,23-35.