REFERENCES
- Blacklock, D. B. (1927). The insect transmitter of Onchocerca volvulus (Leuckart, 1893), the cause of worm nodules in man in Africa. Brit. Med. Jl. Vol, No. 34471 pp. 129–133.
- Cleland J. B. (1927). Onchocerca gibsoni and its possible transmission by Simulium. Brit. Med. Jl. Vol No. 3476, p. 328.