• Baker, J.R. and Ellis, C.E. (1981) A survey of post mortem findings in 480 horses 1958 to 1980: (2) Disease processes not directly related to the cause of death. Equine ver. J. 13, 4750.
  • Blikslager, A.T., Bowman, K.F., Haven, M.L., Tate, L.P. and Bristol, D.G. (1992) Pedunculated lipomas as a cause of intestinal obstruction in horses: 17 cases (1983–1990). J. Am. vet. med. Ass. 201, 12491252.
  • Edwards, G.B. (1985) Abdominal surgery. In: Equine Surgery and Medicine. Ed: J.Hickman Academic Press, London , pp. 146147.
  • Edwards, G.B. and Hunt, J.M. (1986) An analysis of the incidence of equine postoperative ileus and an assessment of the predisposing factors. Proc. Eq. Colic Res. Symp. 2, 307312.
  • Huskamp, B. (1982) The diagnosis and treatment of acute abdominal conditions in the horse; various types and frequency as seen at the animal hospital in Hockmoor. Proc. Equine Colic Res. Symp. 1, 261272.
  • Jeffcott, L.B. and Field, J.R. (1985) Current concepts of hyperlipaemia in horses and ponies. Vet. Rec. 116, 461466.
  • Morris, D.D., Moore, J.N. and Ward, S. (1989) Comparison of age, sex, breed, history and management in 229 horses with colic. Equine vet. J. Suppl. 7, 129132.
  • Proudman, C.J. (1992) A two year prospective survey of equine colic in general practice. Equine vet. J. 24, 9093.
  • Reeves, M.J., Hilbert, B.J. and Morris, R.S. (1986) A retrospective study of 320 cases referred to a university teaching hospital. Proc. Equine Colic Res. Symp. 2, 242250.
  • Schlesselman, J.J. (1982) Case Control Studies, Design, Conduct and Analysis. Oxford University Press, Oxford .
  • Tennant, B. (1975) Intestinal obstruction in the horse. Some aspects of differential diagnosis in equine colic. Proc. Am. Ass. equine Pract. 22, 426438.
  • Tennant, B., Wheat, J.D. and Meagher, D.M. (1972) Observations on the causes and incidence of acute intestinal obstruction in the horse. Proc. Am. Ass. equine Pract. 19, 251258.
  • Thrusfield, M.V. (1986) Veterinary Epidemiology. Butterworths, London , pp. 154155.
  • White, N.A. (1990) The equine Acute Abdomen. Lea and Febiger, Philadelphia , pp. 5061.
  • Wood, J. (1992) Epidemiology: the way ahead Equine vet. J. 24, 159160.