title: Further studies on the relative importance of Guatemalan blackfly species as vectors of onchocerca volvulus.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000469:parasitology; D004175:Diptera / Q000469:parasitology*; D004197:Disease Reservoirs; D006166:Guatemala; D006734:Horse Diseases / Q000453:epidemiology / Q000469:parasitology; D006736:Horses; D006801:Humans; D007303:Insect Vectors / Q000469:parasitology*; D009854:Onchocerca / Q000469:parasitology*; D009855:Onchocerciasis / Q000453:epidemiology / Q000635:transmission