Hyperendemic onchocerciasis in the Taraba river valley of Gongola state (Old Adamawa Province), NigeriaO. B. Akogun and C. O. E. OnwuliriAnn. Parasitol. Hum. Comp., 66 1 (1991) 22-26DOI: https://doi.org/10.1051/parasite/199166122