Report of the eighteenth session of the ecological group: Accra 29-31 January 1997
Citation
World Health Organization & Onchocerciasis Control Programme in West Africa. (1997). Report of the eighteenth session of the ecological group: Accra 29-31 January 1997. Onchocerciasis Control Programme in West Africa. https://iris.who.int/handle/10665/278996