References
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- World Health Organization (1997). Twenty Years of Onchocerciasis Control in West Africa. Ouagadougou: WHO.
- World Health Organization (2002). Onchocerciasis Control in the Special Intervention Zones Including Sierra Leone in the OCP Area. Plan of Action and Budget. Ouagadougou: WHO.
- World Health Organization (2007). Report on Activities in the Special Intervention Zones of the Ex-OCP (January—July 2007). Ouagadougou: WHO.