1. WHO (1974) A. A. Buck, ed. Onchocerciasis: Symptomology, Pathology and Diagnosis. Geneva. An overall account of the disease with illustrations.
2. Anderson J. and Fuglsang H., Ocular onchocerciasis. Tropical Diseases Bulletin 74(4): 257–272. A review of research and current trends on the disease.
3. For information about ivermectin supplies, write to Mectizan Export Commission, 1Copenhill, Atlanta, Georgia 30307, USA.