title: Scanning electron microscope study of infective filaria larvae of type D and Onchocerca volvulus.
mesh_terms: D000818:Animals; D004175:Diptera / Q000469:parasitology; D007814:Larva / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D009854:Onchocerca / Q000145:classification / Q000648:ultrastructure*; D013045:Species Specificity