1. Doherty, R.L., et al. 1963. Aust. J. Exp. Biol. Med. Sci. 41:17-40. 2. Standfast, H.A. and Carley, J.G. 1963. Personal communication. 3. Sanderson, C.J. 1969. Am. J. Trop. Med. Hyg. 18:433-439. 4. Westaway, E.G. 1966. Am. J. Epidemiol. 84:439-456. 5. Karabatsos, N. and Buckley, S.J. 1967. Am. J. Trop. Med. Hyg. 16:99-105. 6. Stim, T.B. 1969. J. Gen. Virol. 5:329-338. 7. De Madrid, A.T. and Porterfield, J.S. 1974. J. Gen. Virol. 23:91-96.
|