1. Causey, O.R. and Shope, R.E. 1965. Proc. Soc. Exp. Biol. and Med. 118:420-421. 2. Lopes, O. de S. 1969. Unpublished data 3. Pinheiro, F. Personal communication. 4. Stim, T.B. 1969. J. Gen. Vriol. 5:329-338. 5. Tesh, R.B., et al. 1975. Am. J. Trop. Med. Hyg. 24:135-144. 6. Tesh, R.B., et al. 1982. Ibid. 31:149-155. 7. Tesh, R.B., et al. 1983. Ibid. 32:1164-1171.
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