1Nishizawa T, Okamato H, Tsuda F, et al. Quasispecies of TT virus (TTV)with sequence divergence in hypervariable regions of the capsid protein in chronic TTV infection. J Virol, 1999, 73: 9604-9608.
2Okamato H, Nishizawa T, Kato N, et al. Molecular cloning and characterization of a nover DNA virus (TTV) associated with post tranfusion hepatitis of nuknown etiology. Hepatol Res, 1998, 10: 1-16.
3Okamato H, Takahashi M, Nishizawa T, et al. Marked genomic heterogeneity and frequent mixed infection of TT virus demonstrated by PCR with primers from coding and noncoding regions.Virology, 1999, 259: 428-433.
4Tanaka Y, Hayashi J, Ariyama I, et al. Seroepidemiology of TT virus infection and relationship between genotype and liver damage.Dig Dis Sci, 2000, 45: 2214-2220.
7Nishizawa T,Okamoto H,Konishi K,et al.A novel DNA virus (TTV) associated with elevated transaminase levels in post transfusion hepatitis of unknown etiology[J].Biochem Biophys Res Commun,1997,241:92-97.
8Matsubara H,Michitaka M,Horiike N,et al.Existence of TT Virus and TTV-like mini virus DNA in infant cord blood:mother-to-neonatal transmission[J].Intervirology,2000,43:16-19.
9Xiao X,Zhou XG,Zhu NH,et al.Mother-to-child vertical transmission of transfusion transmitted virus in South China[J].J Perinat Med,2004,32:404-406.
10Nobili V,Maggi F,Diciommo V,et al.Is toruetenvirus a potential cause of liver damage in children[J].J Infect,2005,50(4):368-369.