5[1]Staats J J,Feder I,Okwumabua O,et al.Streptococcussuis:Past and present[J].Vet Res Commun,1997,21:381-407.
6[2]Touil F,Higgins R,Nadeau M.Isolation of Streptococ-cus suis from diseased pigs in Canada[J].Vet Mierobi-ol,1998,17:171-177.
7[11]Caetano-Anolles G,Bassam B J,Gressholff P M.Buff-er components tailor DNA amplification with arbi-tiary primers[J].PCR Methods APPLIC,1994,4:59-60.
8[12]Scott M P,Haymes K M,Williams S M,et al.Parent-age analysis using RAPD-PCR[J].Nucleic Acid Res,1992,20:5493.
9Martinez G , Harel J , Higgins R , et al .Characterization of Streptococcus agalactiae isolates of bovine and human origin by randomly amplified polymorphic DNA analysis[J]. J Clin Microbiol,2000,38(1) :71-78.
10Saarela M, Hannula J, Matto J. Typing of mutans streptococci by arbitrarily primed polymerase chain reaction [J]. Arch Oral Bio1,1996,41(8-9):821-826.