REFERENCES
- Asch, H. L. (1972). Rhythmic emergence of Schistosoma mansoni cercariae from Biomphalaria glabrata: control by illumination. Experimental Parasitology, 31, 350–355.
- Barbosa, F. S., Coelho, M. V. & Dobbin, J. E. (1954). Qualidades de vetor dos hospedeiros de S. mansoni no nordeste do Brasil. II. Duraçao da infestaçao et eliminaçao de cercarias em A. glabratus. Publicaçoes avulsas io Instituto de pesquisas Aggeu Magalhaes, 7, 79–92.
- Broom, D. M. (1979). Methods of detecting and analysing activity rhythms. Biology of Behaviour, 1, 3–18.
- Cheng, T. C. & Bier, J. W. (1972). Studies on molluscan schistosomiasis: an analysis of the development of the cercaria of Schistosoma mansoni. Parasitology, 64, 129–141.
- Chernin, E. (1964). Maintenance in vitro of larval Schistosoma mansoni in tissue from the snail Australorbis glabratus. Journal of Parasitology, 50, 531–545.
- Chu, K. Y. & Dawood, I. K. (1970). Cercarial production from Biomphalaria alexandrina infected with Schistosoma mansoni. Bulletin of the World Health Organization, 42, 569–574.
- Frandsen, F. (1978). An assessment of the compatibility between Schistosoma sp. and their intermediate hosts using the cercarial production from a population of snails. Fourth International Congress of Parasitology, Warsaw, C, 105–106.
- Frandsen, F. (1979). Studies of the relationships between Schistosome and their intermediate hosts. 1. The genus Bulinus and Schistosoma haematobium from Egypt. Journal of Helminthology, 53, 15–29.
- Frank, G. M. (1966). The effect of temperature on the rate of development and emergence of schistosome cercariae. Zoologica Africana, 2, 211–221.
- Golvan, Y. J., Lancastre, F., Barrière, L., Derouin, F. & Treney-Bolognini, J. (1975). Schistosomose expérimentale. I. Etude de la fécondité de Schistosoma mansoni en fonction de son adaptation à la souche de Biomphalaria glabrata. Annales de Parasitologie Humaine et Comparée, 50, 617–628.
- Jourdane, J. & Theron, A. (1980). First experimental cloning of Schistosoma mansoni by microsurgical transplantation of sporocysts. Experimental Parasitology (in press).
- Jourdane, J., Theron, A. & Combes, C. (1980). Demonstration of the intervention of several sporocysts generations as a normal pattern of reproduction of Schistosoma mansoni. Acta Tropica, 37, 177–182.
- Mougeot, G. & Golvan, Y. J. (1974). Etude des relations entre la longévité de Biomphalaria glabrata et son infestation par Schistosoma mansoni (Etude de la variation quantitative de l'émission des furcocercaires). Bulletin de la Société des Sciences Vétérinaires et de Médecine Comparée, Lyon, 76, 119–124.
- Pan, C. T. (1965). Studies on the host-parasite relationship between Schistosoma mansoni and the snail Australorbis glabratus. American Journal of Tropical Medicine and Hygiene, 14, 931–976.
- Pitchford, R. J., Meyling, A. H., Meyling, J. & Du Toit, J. F. (1969). Cercarial shedding patterns of various schistosome species under outdoor conditions in the Transvaal. Annals of Tropical Medicine and Parasitology, 63, 359–371.
- Ritchie, L. S., Tauber, J. H. & Fowards, T. W. (1963). Survival of laboratory-reared Australorbis glabratus infected with Schistosoma mansoni. Journal of Parasitology, 49, 699–700.
- Theron, A. (1979). A differential filtration technique for the measurement of Schistosoma cercarial densities in standing waters. Bulletin of the World Health Organization, 57, 971–975.
- Valle, C. M., Pellegrino, J. & Alvarenga, N. (1973). Rhythmic emergence of Schistosoma mansoni cercariae from Biomphalaria glabrata: influence of the temperature. Revista do Instituto de Medicina Tropical de São Paulo, 15, 195–201.