1. Archer, D. and Proudman, C., 2006. Epidemiological clues to preventing colic. Vet. J. 172:29–39.
2. Archer, D., Pinchbeck, G., French, N. and Proudman, C., 2008. Risk factors for epiploic foramen entrapment colic in a UK horse population: a prospective case-control study. Equine Vet. J. 40: 405–410.
3. Ayele, G., Feseha, G., Bojia, E., Getachew, M., Alemayehu, F., Tesfaye, M., Amare B., Dereje N., Chala, C., Asefa, A., Anzuino, J. and Trawford, A., 2006. Sarcoids: clinical epidemiology, principal effects and treatment responses. 5th International Colloquium on Working Equines. Ethiopia, Addis Ababa.
4. Bojia, E., Feseha, G., Alemayehu, F., Ayele, G., Tesfaye, M., Trawford A. and Anzuino, J., 2006. A comprehensive approach to minimize the fatal effects of tetanus and colic in donkeys of Ethiopia. The 5th international Colliqium on Working Equines. Ethiopia, Addis Ababa.
5. Braun, U., Schoberl, M., Bracher, V., Geyer, H. and Feige, K., 2002. Prognostic factors in equine colic. 571:15–22.