1. Congenital ethmoid carcinoma in a foal;Acland;J. Am. vet. med. Ass.,1984
2. Solitary osteochondroma of the nasal bone in a horse;Adair;Cornell Vet.,1994
3. Malignant lymphoma in three horses with ulcerative pharyngitis;Adams;J. Am. vet. med. Ass.,1988
4. Fibroblastic tumor of the premaxilla in two horses;Barber;J. Am. vet. med. Ass.,1983
5. Equine nasal cavity and paranasal sinus disease: a review of 85 cases;Boulton;Equine vet. Sci.,1985