1. Hannoun, C., et al. 1970. Acta Virol. 14:167-170. 2. Casals, J. Personal communication. 3. Oker-Blom, N., et al. 1964. Ann. Med. Exper. Biol. Fenniae 42:109-112. 4. Kolman, J.M., et al. 1966. Acta Virol. 10:171-172. 5. Hannoun, C. and Rau, U. 1970. Folia Parasitol. 17:365-366.
|