title: Concentration of microfilariae of Onchocerca volvulus by Simulium sanguineum during feeding: use in mapping parasite distribution in the skin.
mesh_terms: D000818:Animals; D001938:Brazil; D003937:Diagnosis, Differential; D004175:Diptera / Q000469:parasitology*; D005247:Feeding Behavior; D006801:Humans; D007199:Indians, South American; D008842:Microfilariae; D009854:Onchocerca / Q000502:physiology; D009855:Onchocerciasis / Q000175:diagnosis; D012867:Skin / Q000469:parasitology*