1. Jonkers, A.H., et al. 1964. Am. J. Vet. Res. 25:236-242. 2. Bergold, G. Personal communication. 3. Rockefeller Foundation Virus Laboratory, N.Y. 1962. Unpublished observations. 4. Woodall, J.P. 1967. Atas Simpos. Biota Amazon 6:31-63. 5. Jonkers, A.H., et al. 1964. Am. J. Trop. Med. Hyg. 13:613-619. 6. Jonkers, A.H., et al. 1965. Am. J. Vet. Research 26:758-763. 7. Pinheiro, F.p. Personal communication. 8. Buckley, S.M. 1964. Proc. Soc. Exp. Biol. Med. 116:354-358. 9. Ditchfield, J. and Almeida, J.D. 1964. Virol. 24:232-235. 10. Donaldson, A.I. 1970. Am. J. Epidem. 92:132-136. 11. Federer, K.E., et al. 1967. Res. Vet. Sci. 8:103-117.
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