2Emery DM. Vaccination against worm parasites of animals . Vet Parasitol, 1996 : 64 : 31-45.
3Wright IG . Immunodiagnosis of an immunoprophy - laxis against the haeinoparasitis Babesia sp and Anaplasma sp in domestic animals. Rev Sci Tech,1990；9:345- 356.
4Balloul JM et al. Purifited 28000 Dalton protein from Schistosoma mansoni aduil worms protects rats and mice against experimental schitosomiasis. J Immunol, 1989:138:3448-3453.
5Shi Fuhui et al. Vaccination test of sheep against Schistosoma Japonicum Chinese mainland strain with recombimant antigens . 2nd Schistosoma Japonicum Nerwerk Molicular Biology and Vaccine Meeting. Manila Philippines, 1996.
6Morrison CA et al. A further studies on the efficacy of dlutatchion S-transferase of Fasiola lepatica as a liver fluke vaccine in cattle. Proc "Vaccines'95" ,Lirne Australia, PB15 (Abstract) CSIRO,Melbourne, 1995.
7Panaccio M et al. Molecular characterization of cDNA sequences encoding glutathione Stransferase of Fasciola hepatica. Exp Parasitol, 1992 ；74:232- 237.
8Lightowlers MW et al. Successful vaccination against cystic hydatid disease using a recombinant oncosphere antigen. Prec. "Vaccine' 95",Lome, Australia, PC26 (Abstract) CSIRO,Melboume, 1995.
9O' Donnell IJ et al. Anovel host protechive antigen from Trichostrongylys colubriformis.Int J Parasitol, 1989 ； 45 : 101 - 108.
10Cobon GS et al . Patent corporation treaty application WO A 189/00163,1989.
