1. Anderson, N., Hansky, J. and Titchen, D. A. (1975). Hypergastrinaemia during a parasitic gastritis in sheep. J. Physiol., 256, 51–52
2. Armour, J., Jarrett, W. F. H. and Jennings, F. W. (1966). ExperimentalOstertagia circumcincta infections in sheep: development and pathogenesis of a single infection. Am. J. Vet. Res., 27, 1267–1278
3. Barker, I. K. (1973). A study of the pathogenesis of Trichostrongylus colubriformis infection in lambs with observations on the contribution of gastrointestinal plasma loss. Int. J. Parasitol., 3, 743–757
4. Barker, I. K. (1973). Scanning electron microscopy of the duodenal mucosa of lambs infected with Trichostrongylus colubriformis. Parasitology, 67, 307–314
5. Barger, I. A. (1973). Trichostrongylosis and wool growth. I. Feed digestibility and mineral absorption in infected sheep. Aust. J. Exp. Agric. Anim. Husb., 13, 42–47