1. Tan, D., et al. 1967. Nature 214:1154-1155. 2. Pavri, K.M. and Casals, J. 1966. Am. J. Trop. Med. Hyg. 15:961-963. 3. Stim, T.B. 1969. J. Gen. Virol. 5:329-338. 4. Rudnick, A. Personal communication. April 1972. 5. Rudnick, A. Personal communication. May 1976. 6. Varma, M.G.R. and Pudney, M. Unpublished results.
|