* Williamson, R.M.C., Gasser, R.B., Middleton, D., and Beveridge, I. (1997). ‘The distribution of ''Anoplocephala perfoliata'' in the intestine of the horse and associated pathological changes’. ''Vet.Parasitol.'' 73. pp 225-241 | * Williamson, R.M.C., Gasser, R.B., Middleton, D., and Beveridge, I. (1997). ‘The distribution of ''Anoplocephala perfoliata'' in the intestine of the horse and associated pathological changes’. ''Vet.Parasitol.'' 73. pp 225-241 |