COUSENS, S N et al Publication Date 1997 p 229-236 Serial Title:Bulletin of the World Health Organization Serial Part:Vol 75 No 3 View webpage for full text https://apps.who.int/iris/handle/10665/264241 Keywords Health; diseases: neglected tropical diseases (NTD); onchocerciasis; systems: health information systems; systems: medical products vaccines and technologies Regional Focus Africa (AFRO) Country focus Nigeria Language English Type of material text Log in or register to post comments