1. British Equine Veterinary Association: A survey of equine diseases (1962-1963);Vet. Rec.,1965
2. Some aspects of equine dental disease;Baker;Equine vet. J.,1970
3. Bilateral congenital cysts in the frontal sinus of a horse;Beard;J. Am. vet. med. Ass.,1990
4. Ethmoid hematoma in horses: backround, clinical signs and diagnosis;Bell;Comp. cont. Educ. pract. Vet.,1993
5. Equine nasal cavity and paranasal sinus disease: A review of 85 cases;Boulton;J. equine Vet. Sci.,1985