REFERENCES
- Anderson, J., Fuglsang, H. & Marshall, T. F. de C. (1976). Studies on onchorcerciasis in the United Cameroon Republic. III. A four year follow up of 6 rain forest and 6 Sudan-savannah villages. Transactions of the Royal Society of Tropical Medicine and Hygiene, 70, 362–373.
- Crosskey, R. W. (1981). A review of Simulium damnosum s.l. and human onchocerciasis in Nigeria with special reference to geographical distribution and development of a National Control Campaign. Tropenmedizin und Parasitologic, 32, 2–16.
- Duke, B. O. L., Lewis, D. J. & Moore, P. J. (1966). Onchocerca-Simulium complexes. I. Transmission of forest and sudan savannah strains of Onchocerca volvulus from Cameroon by Simulium damnosum from various West African bioclimatic zones. Annals of Tropical Medicine and Parasitology, 60, 318.
- Duke, B. O. L., Moore, P. J., De Leon, J. R. (1967). Onchocerca-Simulium complexes. V. The intake and subsequent fate of microfilariae of a Guatemalan strain of Onchocerca volvulus in forest and Sudan savannah forms of West African Simulium damnosum. Annals of Tropical Medicine and Parasitology, 61, 332–337.
- Edungbola, L. D., Watts, S. J. & Kayode, O. O. (1987). Endemicity and striking manifestations of onchocerciasis in Shao, Kwara State, Nigeria. African Journal of Medicine and Medical Sciences, 116, 147–155.
- Garms, R. (1987). Occurrence of the savannah species of the Simulium damnosum complex in Liberia. Transactions of the Royal Society of Tropical Medicine and Hygiene, 81, 518.
- Gasparini, G. (1962). ‘Sowda’ mouva malaria o forma media di onchocercosi? Archivio Italiano di Scienze Mediche Tropicali e di Parassitologia, 43, 535–545.
- Ikejiani, O. (1959). A laboratory epidemiological study of certain infectious diseases in Nigeria. West African Medical Journal, 8, 37–42.
- Kirkwood, B., Smith, P., Marshall, T. & Prost, A. (1983). Variations in the prevalence and intensity of microfilarial infections by age, sex, place and time in the areas of the Onchocerciasis Control Programme. Transactions of the Royal Society of Tropical Medicine and Hygiene, 70, 362–373.
- Lewis, D. J. & Duke, B. O. L. (1966). Onchocerca-Simulium complexes. II. Variation in West African female Simulium damnosum. Annals of Tropical Medicine and Parasitology, 60, 337–346.
- Marshall, T. F. de C., Anderson, J. & Fuglsang, H. (1986). The incidence of eye lesions and visual impairments in onchocerciasis in relation to the intensity of infection. Transactions of the Royal Society of Tropical Medicine and Hygiene, 80, 426–434.
- Nwokolo, C. (1950). Studies on onchocerciasis: A review of 100 cases from Enugu district of Eastern Nigeria. Transactions of the Royal Society of Tropical Medicine and Hygiene, 43, 493–501.
- Onwuliri, C. O., Nwoke, B. E., Lawal, I. A. & Iwuala, M. O. (1987). Onchocerciasis in Plateau State of Nigeria. II. The prevalence among residents around the Asoh River area. Annals of Tropical Medicine and Parasitology, 81, 49–52.