Endemicity levels in onchocerciasis

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World Health Organization, Onchocerciasis Control Programme in the Volta River Basin Area, Prost, A., Hervouet, J. P. & Thylefors, B. (1978). Endemicity levels in onchocerciasis. Onchocerciasis Control Programme in the Volta River Basin Area. https://apps.who.int/iris/handle/10665/311959