REFERENCES
- Brown, H. W. (1975). Basic Clinical Parasitology, 4th Edn. New York: Appleton-Century-Crofts.
- Gradwohl-Kouri (1948). Clinical Laboratory Methods and Diagnosis, 4th Edn, Vol. III (Parasitology and Tropical Medicine) Saint Louis: C. V. Mosby Company.
- Harrison (1977). Principles of Internal Medicine, International Student Edn, 8th Edn. Kogakuska: McGraw- Hill.
- Louw, J. H. (1966). British Journal of Surgery, 53, 510–521.
- Schuster, D. I., Belin, R. P., Parker, J. C., Burke, J. A. & Jona, J. Z. (1977). Southern Medical Journal 70, 176–178.
- Swartzwelder, J. C. (1946). American Journal of Diseases of Children, 72, 172–180.