title: The relationship between ocular lesions and the density of infection in onchocerciasis.
mesh_terms: D002825:Chorioretinitis / Q000453:epidemiology; D005128:Eye Diseases / Q000209:etiology*; D006801:Humans; D009549:Nigeria; D009855:Onchocerciasis / Q000150:complications* / Q000453:epidemiology