References
- Chernin, E. & Antolics, V. M. (1975). Journal of Parasitology, 61, 560–561.
- Chernin, E. & Dunavan, C. A. (1962). American Journal of Tropical Medicine and Hygiene, 11, 455–471.
- Maldonado, J. F. & Acosta-Matienzo, J. (1948). American Journal of Tropical Medicine, 28, 645–657.
- Pan, C. T. (1975). American Journal of Tropical Medicine and Hygiene, 14, 931–976.
- Sturrock, B. M. & Sturrock, R. F. (1970). Annals of Tropical Medicine and Parasitology, 64, 357–363.
- Upatham, E. S. (1973). International Journal for Parasitology, 3, 289–297.