Virga, V., & Houpt, K. A. (2001). Prevalence of placentophagia in horses. Equine Vet J, 33(2), 208–210.
|
Houpt, K. A., & Smith, R. (1993). Animal behavior case of the month. J Am Vet Med Assoc, 203(3), 377–378.
|
de Waal, F. B., & Berger, M. L. (2000). Payment for labour in monkeys. Nature, 404(6778), 563.
|
Collery, L. (1974). Observations of equine animals under farm and feral conditions. Equine Vet J, 6(4), 170–173.
|
Whiten, A., & Boesch, C. (2001). The cultures of chimpanzees. Sci Am, 284(1), 60–67.
|
Macfadden, B. J. (2005). Evolution. Fossil horses--evidence for evolution. Science, 307(5716), 1728–1730.
|
Nelson, W. A., Keirans, J. E., Bell, J. F., & Clifford, C. M. (1975). Host-ectoparasite relationships. J Med Entomol, 12(2), 143–166.
|
Edman, J. D. (1971). Host-feeding patterns of Florida mosquitoes. I. Aedes, Anopheles, Coquillettidia, Mansonia and Psorophora. J Med Entomol, 8(6), 687–695.
|
Tempelis, C. H., & Nelson, R. L. (1971). Blood-feeding patterns of midges of the Culicoides variipennis complex in Kern County, California. J Med Entomol, 8(5), 532–534.
|
Nelson, G. S. (1970). Onchocerciasis. Adv Parasitol, 8, 173–224.
|