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2. Malumfashi Endemic Diseases Research Project, XIII. Epidemiology of human encounters with the spitting cobra, Naja nigricollis, in the Malumfashi area of northern Nigeria;Pugh;Ann Trop Med Parasitol,1980
3. Micro-ELISA for detecting and assaying snake venom and venomantibody;Theakston;Lancet,1977
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5. The importance of bites by the saw-scaled or carpet viper (Echis carinatus): epidemiological studies in Nigeria and a review of the world literature;Warrell;Acta Trop,1976