REFERENCES
- Duke, B. O. L. (1962). Experimental transmission of Onchocerca volvulus from man to a chimpanzee. [Laboratory demonstration.] Trans. R. Soc. trop. Med. Hyg., 56, 271.
- Duke, B. O. L. (1966). Onchocerca-Simulium complexes. III: The survival of Simulium damnosum after high intakes of microfilariae of incompatible strains of Onchocerca volvulus, and the survival of the parasites in the fly. Ann. trop. Med. Parasit., 60, 495.
- Duke, B. O. L. (1967). Onchocerca-Simulium complexes. IV: Transmission of a variant of the forest strain of Onchocerca volvulus. Ibid., 61, 326.
- Duke, B. O. L. Lewis, D. J., and Moore, P. J. (1966). Onchocerca-Simulium complexes. I: Transmission of forest and Sudan-savanna strains of Onchocerca volvulus, from Cameroon, by Simulium damnosum from various West African bioclimatic zones. Ibid., 60, 318.
- De LeÓn, J. R., and Duke, B. O. L. (1966). Experimental studies on the transmission of Guatemalan and West African strains of Onchocerca volvulus by Simulium ochraceum, S. metallicum and S. callidum. Trans. R. Soc. trop. Med. Hyg., 60, 735.
- Lewis, D. J., and Duke, B. O. L. (1966). Onchocerca-Simulium complexes. II: Variation in West African female Simulium damnosum. Ann. trop. Med. Parasit., 60, 337.
- Williams, C. B. (1937). The use of logarithms in the interpretation of certain entomological problems. Ann. appl. Biol., 24, 404.