title: River blindness: a gamble pays off.
mesh_terms: D000354:Africa, Western; D006801:Humans; D007303:Insect Vectors / Q000187:drug effects; D007559:Ivermectin; D007783:Lactones / Q000627:therapeutic use; D009855:Onchocerciasis / Q000188:drug therapy / Q000517:prevention & control*; D012843:Simuliidae / Q000187:drug effects; D014944:World Health Organization
chemical_list: D007783:Lactones; D007559:Ivermectin