1. Magnetic resonance imaging and cross sectional anatomy of the normal equine sinuses and nasal passages;Arencibia;Veterinary Radiology and Ultrasound,2000
2. Bell, C.D., Tatarniuk, D., Carmalt, J.L., in press. Endoscope-guided balloon sinuplasty of the nasomaxillary opening in the horse. Veterinary Surgery, 25.
3. Equine paranasal sinusography;Behrens;Veterinary Radiology and Ultrasound,1991
4. Equine nasal and paranasal sinus tumours: Part 2: a contribution of 28 case reports;Dixon;The Veterinary Journal,1999
5. The head and ventral neck of the horse;Dyce,1987