title: World malaria situation in 1989. Part II.
mesh_terms: D000569:Americas / Q000453:epidemiology; D000818:Animals; D001208:Asia / Q000453:epidemiology; D006801:Humans; D008288:Malaria / Q000453:epidemiology*; D010963:Plasmodium falciparum; D010966:Plasmodium vivax