1. Primary hepatic tumours in cattle. A classification of 66 cases;BETTINI, G.; MARCATO, P.S.;Journal of Comparative Pathology,1992
2. Peripheral nerve sheath neoplasms in Canadian slaughter cattle;BUNDZA, A.; DUKES, T.W.; STEAD, R.H.;Canadian Veterinary Journal,1986
3. Multicentric schwannoma in a mature Holstein cow;JOHNSON, R.C.; ANDERSON, W.I.; LUTHER, P.B.; RYAN, A.M.;Veterinary Record,1988
4. JUBB, K. V. F., & HUXTABLE, C. R. (1993) The nervous system. In Pathology of Domestic Animals. Vol 1. 4th edn. Eds K. V. F. Jubb, P. C. Kennedy, N. C. Palmer. San Diego, Academic Press. pp 267-439
5. Histological Classification of Tumours of the Nervous System of Domestic Animals. Second Series;KOESTNER, A.; BILZER, T.; FATZER, R.; SCHULMAN, F.Y.; SUMMERS, B.A.; WINKLE, V.A.N.; J, T.,1999