REFERENCES
- Faust, E. C., Russell, P. F. & Jung, R. C. (1970). Craig and Faust's Clinical Parasitology. 8th Edition. Philadelphia: Lea and Febiger.
- Kuntz, R. E. & Wells, W. H. (1962). American Journal of Tropical Medicine and Hygiene, 11, 773–780.
- Lambert, R. A. (1969). Parasitology: Identification of Helminths. London: Butterworths & Co. Ltd.
- Muller, R. (1975). Worms and Diseases. London: Heinemann.