[Medical geography of onchocerciasis].
D000349:Africa; D000531:Altitude; D002489:Central America; D002980:Climate; D004463:Ecology; D006801:Humans; D008800:Mexico; D009854:Onchocerca / Q000254:growth & development*; D009855:Onchocerciasis / Q000453:epidemiology*; D012621:Seasons; D013020:South America
Geografía médica de la oncocercosis.