REFERENCES
- Ashford, R. W., Reid, G. D. F. & Butynski, T. M. (1990). The intestinal faunas of man and mountain gorillas in a shared habitat. Annals of Tropical Medicine and Parasitology, 84, 337–340.
- Ashford, R. W., Barnish, G. & Viney, M. (1992). Strongyloides fuelleborni kellyi: infection and disease in Papua New Guinea. Parasitology Today, 8, 314–318.
- Chapman, C. A., Wrangham, R. W., Chapman, L. J., Kennard, D. K. & Zanne, A. E. (1999). Fruit and flower phenology at two sites in Kibale National Park, Uganda. Journal of Tropical Ecology, 15, 189–211.
- Collet, J. Y., Bourreau, E., Cooper, R. W., Tutin, C. E. G. & Fernandez, M. (1984). Experimental demonstration of cellulose digestion by Troglodytella gorillae, an intestinal ciliate of lowland gorillas (Gorilla g. gorilla). International Journal of Primatology, 5, 328.
- File, S. K., McGrew, W. C. & Tutin, C. E. G. (1976). The intestinal parasites of a community of feral chimpanzees Pan troglodytes schmeinfurthii. Journal of Parasitology, 62, 259–261.
- Goodall, J. van L. (1968). The behaviour of free living chimpanzees in the Gombe Stream Reserve. Animal Behaviour Monographs, 1, 161–311.
- Healy, G. R. & Myers, B. J. (1973). Intestinal helminths. In The Chimpanzee, Vol. 6, ed. Bourne, G. M. pp. 265–296. Basel: Karger.
- Huffman, M. (1997). Current evidence for self-medication in primates: a multidisciplinary perspective. Yearbook of Physical Anthropology, 40, 171–200.
- Kawabata, M. & Nishida, T. (1991). A preliminary note on the intestinal parasites of wild chimpanzees in the Mahale Mountains, Tanzania. Primates, 32, 275–278.
- Landsoud-Soukate, J., Tutin, C. E. G. & Fernandez, M. (1995). Intestinal parasites of sympatric gorillas and chimpanzees in the Lope Reserve, Gabon. Annals of Tropical Medicine and Parasitology, 89, 73–79.
- McGrew, W. C., Tutin, C. E. G., Collins, D. A. & File, S. K. (1989). Intestinal parasites of sympatric Pan troglodytes and Papio spp. at two sites: Gombe (Tanzania) and Mt. Assirik (Senegal). American Journal of Primatology, 17, 147–155.
- Murray, S. (1990). Intestinal Parasites of Baboons and Chimpanzees in Gombe National Park. Senior thesis, School of Veterinary Medicine, Tufts University, North Grafton, MA.
- Myers, B. J. & Kuntz, R. E. (1972). A checklist of parasites and commensals reported for the chimpanzee (Pan). Primates, 13, 433–471.
- Struhsaker, T. T. (1997). Ecology of an African Rain Forest. Gainesville: University Press of Florida.
- Tutin, C. E. G. & Fernandez, M. (1992). Insect-eating by sympatric lowland gorillas (Gorilla g. gorilla) and chimpanzees (Pan t. troglodytes) in the Lope Reserve, Gabon. American Journal of Primatology, 28, 29–40.
- Wing, L. D. & Buss, I. O. (1970). Elephants and forests. Wildlife Monographs, 19, 1–92.
- Wrangham, R. W. (1995). Relationship of chimpanzee leaf swallowing to a tapeworm infection. American Journal of Primatology, 37, 297–303.
- Wrangham, R. W., Chapman, C. A., Clark, A. P. & Isabirye-Basuta, G. (1996). Social ecology of Kanyawara chimpanzees: implications for understanding the costs of great ape groups. In Great Ape Societies, eds McGrew, W., Marchant, L. F. & Nishinda, T. pp. 45–57. Cambridge: Cambridge University Press.