title: Observations on onchocerciasis in the Sudan Republic: endemicity, intensity of infection and clinical features.
mesh_terms: D001766:Blindness / Q000209:etiology; D006801:Humans; D009855:Onchocerciasis / Q000150:complications / Q000453:epidemiology*; D012867:Skin / Q000469:parasitology; D013397:Sudan